From e7fb9c4ad351a8da7c09e182bd2e7ccd043daf08 Mon Sep 17 00:00:00 2001 From: Alberto Panizzo Date: Fri, 18 Dec 2009 16:42:11 +0100 Subject: backlight: Add Epson L4F00242T03 LCD driver The Epson LCD L4F00242T03 is mounted on the Freescale i.MX31 PDK board. Based upon Marek Vasut work in l4f00242t03.c, this driver provides basic init and power on/off functionality for this device through the sysfs lcd interface. Unfortunately Datasheet for this device are not available and all the control sequences sent to the display were copied from the freescale driver that in the i.MX31 Linux BSP. As in the i.MX31PDK board the core and io suppliers are voltage regulators, that functionality is embedded here, but not strict. Signed-off-by: Alberto Panizzo Signed-off-by: Richard Purdie --- drivers/video/backlight/Kconfig | 7 + drivers/video/backlight/Makefile | 1 + drivers/video/backlight/l4f00242t03.c | 256 ++++++++++++++++++++++++++++++++++ 3 files changed, 264 insertions(+) create mode 100644 drivers/video/backlight/l4f00242t03.c (limited to 'drivers') diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 0c77fc61021..c025c84601b 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -31,6 +31,13 @@ config LCD_CORGI Say y here to support the LCD panels usually found on SHARP corgi (C7x0) and spitz (Cxx00) models. +config LCD_L4F00242T03 + tristate "Epson L4F00242T03 LCD" + depends on LCD_CLASS_DEVICE && SPI_MASTER && GENERIC_GPIO + help + SPI driver for Epson L4F00242T03. This provides basic support + for init and powering the LCD up/down through a sysfs interface. + config LCD_LMS283GF05 tristate "Samsung LMS283GF05 LCD" depends on LCD_CLASS_DEVICE && SPI_MASTER && GENERIC_GPIO diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 6c704d41462..09d1f14d625 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_LCD_CLASS_DEVICE) += lcd.o obj-$(CONFIG_LCD_CORGI) += corgi_lcd.o obj-$(CONFIG_LCD_HP700) += jornada720_lcd.o +obj-$(CONFIG_LCD_L4F00242T03) += l4f00242t03.o obj-$(CONFIG_LCD_LMS283GF05) += lms283gf05.o obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o obj-$(CONFIG_LCD_ILI9320) += ili9320.o diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c new file mode 100644 index 00000000000..42d061e1403 --- /dev/null +++ b/drivers/video/backlight/l4f00242t03.c @@ -0,0 +1,256 @@ +/* + * l4f00242t03.c -- support for Epson L4F00242T03 LCD + * + * Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * + * Copyright (c) 2009 Alberto Panizzo + * Inspired by Marek Vasut work in l4f00242t03.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include + +#include +#include + +struct l4f00242t03_priv { + struct spi_device *spi; + struct lcd_device *ld; + int lcd_on:1; + struct regulator *io_reg; + struct regulator *core_reg; +}; + + +static void l4f00242t03_reset(unsigned int gpio) +{ + pr_debug("l4f00242t03_reset.\n"); + gpio_set_value(gpio, 1); + mdelay(100); + gpio_set_value(gpio, 0); + mdelay(10); /* tRES >= 100us */ + gpio_set_value(gpio, 1); + mdelay(20); +} + +#define param(x) ((x) | 0x100) + +static void l4f00242t03_lcd_init(struct spi_device *spi) +{ + struct l4f00242t03_pdata *pdata = spi->dev.platform_data; + struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev); + const u16 cmd[] = { 0x36, param(0), 0x3A, param(0x60) }; + + dev_dbg(&spi->dev, "initializing LCD\n"); + + if (priv->io_reg) { + regulator_set_voltage(priv->io_reg, 1800000, 1800000); + regulator_enable(priv->io_reg); + } + + if (priv->core_reg) { + regulator_set_voltage(priv->core_reg, 2800000, 2800000); + regulator_enable(priv->core_reg); + } + + gpio_set_value(pdata->data_enable_gpio, 1); + msleep(60); + spi_write(spi, (const u8 *)cmd, ARRAY_SIZE(cmd) * sizeof(u16)); +} + +static int l4f00242t03_lcd_power_set(struct lcd_device *ld, int power) +{ + struct l4f00242t03_priv *priv = lcd_get_data(ld); + struct spi_device *spi = priv->spi; + + const u16 slpout = 0x11; + const u16 dison = 0x29; + + const u16 slpin = 0x10; + const u16 disoff = 0x28; + + if (power) { + if (priv->lcd_on) + return 0; + + dev_dbg(&spi->dev, "turning on LCD\n"); + + spi_write(spi, (const u8 *)&slpout, sizeof(u16)); + msleep(60); + spi_write(spi, (const u8 *)&dison, sizeof(u16)); + + priv->lcd_on = 1; + } else { + if (!priv->lcd_on) + return 0; + + dev_dbg(&spi->dev, "turning off LCD\n"); + + spi_write(spi, (const u8 *)&disoff, sizeof(u16)); + msleep(60); + spi_write(spi, (const u8 *)&slpin, sizeof(u16)); + + priv->lcd_on = 0; + } + + return 0; +} + +static struct lcd_ops l4f_ops = { + .set_power = l4f00242t03_lcd_power_set, + .get_power = NULL, +}; + +static int __devinit l4f00242t03_probe(struct spi_device *spi) +{ + struct l4f00242t03_priv *priv; + struct l4f00242t03_pdata *pdata = spi->dev.platform_data; + int ret; + + if (pdata == NULL) { + dev_err(&spi->dev, "Uninitialized platform data.\n"); + return -EINVAL; + } + + priv = kzalloc(sizeof(struct l4f00242t03_priv), GFP_KERNEL); + + if (priv == NULL) { + dev_err(&spi->dev, "No memory for this device.\n"); + ret = -ENOMEM; + goto err; + } + + dev_set_drvdata(&spi->dev, priv); + spi->bits_per_word = 9; + spi_setup(spi); + + priv->spi = spi; + + ret = gpio_request(pdata->reset_gpio, "lcd l4f00242t03 reset"); + if (ret) { + dev_err(&spi->dev, + "Unable to get the lcd l4f00242t03 reset gpio.\n"); + return ret; + } + + ret = gpio_direction_output(pdata->reset_gpio, 1); + if (ret) + goto err2; + + ret = gpio_request(pdata->data_enable_gpio, + "lcd l4f00242t03 data enable"); + if (ret) { + dev_err(&spi->dev, + "Unable to get the lcd l4f00242t03 data en gpio.\n"); + return ret; + } + + ret = gpio_direction_output(pdata->data_enable_gpio, 0); + if (ret) + goto err3; + + if (pdata->io_supply) { + priv->io_reg = regulator_get(NULL, pdata->io_supply); + + if (IS_ERR(priv->io_reg)) { + pr_err("%s: Unable to get the IO regulator\n", + __func__); + goto err3; + } + } + + if (pdata->core_supply) { + priv->core_reg = regulator_get(NULL, pdata->core_supply); + + if (IS_ERR(priv->core_reg)) { + pr_err("%s: Unable to get the core regulator\n", + __func__); + goto err4; + } + } + + priv->ld = lcd_device_register("l4f00242t03", + &spi->dev, priv, &l4f_ops); + if (IS_ERR(priv->ld)) { + ret = PTR_ERR(priv->ld); + goto err5; + } + + /* Init the LCD */ + l4f00242t03_reset(pdata->reset_gpio); + l4f00242t03_lcd_init(spi); + l4f00242t03_lcd_power_set(priv->ld, 1); + + dev_info(&spi->dev, "Epson l4f00242t03 lcd probed.\n"); + + return 0; + +err5: + if (priv->core_reg) + regulator_put(priv->core_reg); +err4: + if (priv->io_reg) + regulator_put(priv->io_reg); +err3: + gpio_free(pdata->data_enable_gpio); +err2: + gpio_free(pdata->reset_gpio); +err: + kfree(priv); + + return ret; +} + +static int __devexit l4f00242t03_remove(struct spi_device *spi) +{ + struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev); + struct l4f00242t03_pdata *pdata = priv->spi->dev.platform_data; + + l4f00242t03_lcd_power_set(priv->ld, 0); + lcd_device_unregister(priv->ld); + + gpio_free(pdata->data_enable_gpio); + gpio_free(pdata->reset_gpio); + + if (priv->io_reg) + regulator_put(priv->core_reg); + if (priv->core_reg) + regulator_put(priv->io_reg); + + kfree(priv); + + return 0; +} + +static struct spi_driver l4f00242t03_driver = { + .driver = { + .name = "l4f00242t03", + .owner = THIS_MODULE, + }, + .probe = l4f00242t03_probe, + .remove = __devexit_p(l4f00242t03_remove), +}; + +static __init int l4f00242t03_init(void) +{ + return spi_register_driver(&l4f00242t03_driver); +} + +static __exit void l4f00242t03_exit(void) +{ + spi_unregister_driver(&l4f00242t03_driver); +} + +module_init(l4f00242t03_init); +module_exit(l4f00242t03_exit); + +MODULE_AUTHOR("Alberto Panizzo "); +MODULE_DESCRIPTION("EPSON L4F00242T03 LCD"); -- cgit v1.2.3-70-g09d2 From c3cf2e44d3bbc694eccef33b0f2fe8e2d89baae7 Mon Sep 17 00:00:00 2001 From: Alberto Panizzo Date: Tue, 19 Jan 2010 09:30:50 +0100 Subject: backlight: l4f00242t03: Fix module licence absence. Signed-off-by: Alberto Panizzo Signed-off-by: Richard Purdie --- drivers/video/backlight/l4f00242t03.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c index 42d061e1403..74abd6994b0 100644 --- a/drivers/video/backlight/l4f00242t03.c +++ b/drivers/video/backlight/l4f00242t03.c @@ -254,3 +254,4 @@ module_exit(l4f00242t03_exit); MODULE_AUTHOR("Alberto Panizzo "); MODULE_DESCRIPTION("EPSON L4F00242T03 LCD"); +MODULE_LICENSE("GPL v2"); -- cgit v1.2.3-70-g09d2 From a4ebb780e194e8751dc22deeabcddd3fdc8f18f0 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Tue, 2 Feb 2010 14:44:50 -0800 Subject: video: backlight/progear, fix pci device refcounting Stanse found an ommitted pci_dev_puts on error path in progearbl_probe. pmu_dev and sb_dev are gotten, but never put when backlight_device_register fails. So unify fail paths and put the devs when the failure occurs. Signed-off-by: Jiri Slaby Signed-off-by: Andrew Morton Signed-off-by: Richard Purdie --- drivers/video/backlight/progear_bl.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c index 075786e0503..2ec16deb239 100644 --- a/drivers/video/backlight/progear_bl.c +++ b/drivers/video/backlight/progear_bl.c @@ -63,6 +63,7 @@ static int progearbl_probe(struct platform_device *pdev) { u8 temp; struct backlight_device *progear_backlight_device; + int ret; pmu_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, NULL); if (!pmu_dev) { @@ -73,8 +74,8 @@ static int progearbl_probe(struct platform_device *pdev) sb_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); if (!sb_dev) { printk("ALI 1533 SB not found.\n"); - pci_dev_put(pmu_dev); - return -ENODEV; + ret = -ENODEV; + goto put_pmu; } /* Set SB_MPS1 to enable brightness control. */ @@ -84,8 +85,10 @@ static int progearbl_probe(struct platform_device *pdev) progear_backlight_device = backlight_device_register("progear-bl", &pdev->dev, NULL, &progearbl_ops); - if (IS_ERR(progear_backlight_device)) - return PTR_ERR(progear_backlight_device); + if (IS_ERR(progear_backlight_device)) { + ret = PTR_ERR(progear_backlight_device); + goto put_sb; + } platform_set_drvdata(pdev, progear_backlight_device); @@ -95,6 +98,11 @@ static int progearbl_probe(struct platform_device *pdev) progearbl_set_intensity(progear_backlight_device); return 0; +put_sb: + pci_dev_put(sb_dev); +put_pmu: + pci_dev_put(pmu_dev); + return ret; } static int progearbl_remove(struct platform_device *pdev) -- cgit v1.2.3-70-g09d2 From 57e148b6a975980944f4466ccb669b1d02dfc6a1 Mon Sep 17 00:00:00 2001 From: Bruno Prémont Date: Sun, 21 Feb 2010 00:20:01 +0100 Subject: backlight: Add backlight_device parameter to check_fb MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit check_fb from backlight_ops lacks a reference to the backlight_device that's being referred to. Add this parameter so a backlight_device can be mapped to a single framebuffer, especially if the same driver handles multiple devices on a single system. Signed-off-by: Bruno Prémont Signed-off-by: Richard Purdie --- drivers/video/backlight/adx_bl.c | 2 +- drivers/video/backlight/backlight.c | 2 +- include/linux/backlight.h | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/video/backlight/adx_bl.c b/drivers/video/backlight/adx_bl.c index d769b0bab21..a683dd1be4b 100644 --- a/drivers/video/backlight/adx_bl.c +++ b/drivers/video/backlight/adx_bl.c @@ -56,7 +56,7 @@ static int adx_backlight_get_brightness(struct backlight_device *bldev) return brightness & 0xff; } -static int adx_backlight_check_fb(struct fb_info *fb) +static int adx_backlight_check_fb(struct backlight_device *bldev, struct fb_info *fb) { return 1; } diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index 18829cf68b1..b800cd4eeec 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -38,7 +38,7 @@ static int fb_notifier_callback(struct notifier_block *self, mutex_lock(&bd->ops_lock); if (bd->ops) if (!bd->ops->check_fb || - bd->ops->check_fb(evdata->info)) { + bd->ops->check_fb(bd, evdata->info)) { bd->props.fb_blank = *(int *)evdata->data; if (bd->props.fb_blank == FB_BLANK_UNBLANK) bd->props.state &= ~BL_CORE_FBBLANK; diff --git a/include/linux/backlight.h b/include/linux/backlight.h index ee377d79199..21cd866d24c 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -47,7 +47,7 @@ struct backlight_ops { int (*get_brightness)(struct backlight_device *); /* Check if given framebuffer device is the one bound to this backlight; return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */ - int (*check_fb)(struct fb_info *); + int (*check_fb)(struct backlight_device *, struct fb_info *); }; /* This structure defines all the properties of a backlight */ -- cgit v1.2.3-70-g09d2 From a19a6ee6cad2b20292a774c2f56ba8039b0fac9c Mon Sep 17 00:00:00 2001 From: Matthew Garrett Date: Wed, 17 Feb 2010 16:39:44 -0500 Subject: backlight: Allow properties to be passed at registration Values such as max_brightness should be set before backlights are registered, but the current API doesn't allow that. Add a parameter to backlight_device_register and update drivers to ensure that they set this correctly. Signed-off-by: Matthew Garrett Signed-off-by: Richard Purdie --- drivers/acpi/video.c | 9 ++++++--- drivers/gpu/drm/nouveau/nouveau_backlight.c | 12 ++++++++---- drivers/macintosh/via-pmu-backlight.c | 7 +++++-- drivers/platform/x86/acer-wmi.c | 7 +++++-- drivers/platform/x86/asus-laptop.c | 7 +++++-- drivers/platform/x86/asus_acpi.c | 7 +++++-- drivers/platform/x86/classmate-laptop.c | 8 +++++--- drivers/platform/x86/compal-laptop.c | 11 +++++++---- drivers/platform/x86/dell-laptop.c | 13 ++++++++----- drivers/platform/x86/eeepc-laptop.c | 8 +++++--- drivers/platform/x86/fujitsu-laptop.c | 14 +++++++++----- drivers/platform/x86/msi-laptop.c | 7 +++++-- drivers/platform/x86/msi-wmi.c | 9 ++++++--- drivers/platform/x86/panasonic-laptop.c | 24 ++++++++++++------------ drivers/platform/x86/sony-laptop.c | 8 +++++--- drivers/platform/x86/thinkpad_acpi.c | 12 +++++++----- drivers/platform/x86/toshiba_acpi.c | 10 ++++++---- drivers/staging/samsung-laptop/samsung-laptop.c | 7 +++++-- drivers/usb/misc/appledisplay.c | 7 ++++--- drivers/video/atmel_lcdfb.c | 8 +++++--- drivers/video/aty/aty128fb.c | 7 +++++-- drivers/video/aty/atyfb_base.c | 7 +++++-- drivers/video/aty/radeon_backlight.c | 7 +++++-- drivers/video/backlight/88pm860x_bl.c | 6 ++++-- drivers/video/backlight/adp5520_bl.c | 11 ++++++----- drivers/video/backlight/adx_bl.c | 8 +++++--- drivers/video/backlight/atmel-pwm-bl.c | 8 +++++--- drivers/video/backlight/backlight.c | 8 +++++++- drivers/video/backlight/corgi_lcd.c | 8 +++++--- drivers/video/backlight/cr_bllcd.c | 8 ++++---- drivers/video/backlight/da903x_bl.c | 7 ++++--- drivers/video/backlight/generic_bl.c | 8 +++++--- drivers/video/backlight/hp680_bl.c | 8 +++++--- drivers/video/backlight/jornada720_bl.c | 7 +++++-- drivers/video/backlight/kb3886_bl.c | 8 ++++++-- drivers/video/backlight/locomolcd.c | 8 ++++++-- drivers/video/backlight/max8925_bl.c | 6 ++++-- drivers/video/backlight/mbp_nvidia_bl.c | 10 +++++++--- drivers/video/backlight/omap1_bl.c | 7 +++++-- drivers/video/backlight/progear_bl.c | 7 +++++-- drivers/video/backlight/pwm_bl.c | 8 +++++--- drivers/video/backlight/tosa_bl.c | 8 +++++--- drivers/video/backlight/wm831x_bl.c | 7 ++++--- drivers/video/bf54x-lq043fb.c | 9 +++++---- drivers/video/bfin-t350mcqb-fb.c | 9 +++++---- drivers/video/nvidia/nv_backlight.c | 7 +++++-- drivers/video/omap2/displays/panel-taal.c | 15 +++++++++------ drivers/video/riva/fbdev.c | 7 +++++-- include/linux/backlight.h | 3 ++- 49 files changed, 271 insertions(+), 151 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 2ff2b6ab5b6..cbe6f3924a1 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -998,6 +998,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) } if (acpi_video_backlight_support()) { + struct backlight_properties props; int result; static int count = 0; char *name; @@ -1010,12 +1011,14 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) return; sprintf(name, "acpi_video%d", count++); - device->backlight = backlight_device_register(name, - NULL, device, &acpi_backlight_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = device->brightness->count - 3; + device->backlight = backlight_device_register(name, NULL, device, + &acpi_backlight_ops, + &props); kfree(name); if (IS_ERR(device->backlight)) return; - device->backlight->props.max_brightness = device->brightness->count-3; result = sysfs_create_link(&device->backlight->dev.kobj, &device->dev->dev.kobj, "device"); diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c index 20564f8cb0e..406228f4a2a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_backlight.c +++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c @@ -89,19 +89,21 @@ static struct backlight_ops nv50_bl_ops = { static int nouveau_nv40_backlight_init(struct drm_device *dev) { + struct backlight_properties props; struct drm_nouveau_private *dev_priv = dev->dev_private; struct backlight_device *bd; if (!(nv_rd32(dev, NV40_PMC_BACKLIGHT) & NV40_PMC_BACKLIGHT_MASK)) return 0; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 31; bd = backlight_device_register("nv_backlight", &dev->pdev->dev, dev, - &nv40_bl_ops); + &nv40_bl_ops, &props); if (IS_ERR(bd)) return PTR_ERR(bd); dev_priv->backlight = bd; - bd->props.max_brightness = 31; bd->props.brightness = nv40_get_intensity(bd); backlight_update_status(bd); @@ -110,19 +112,21 @@ static int nouveau_nv40_backlight_init(struct drm_device *dev) static int nouveau_nv50_backlight_init(struct drm_device *dev) { + struct backlight_properties props; struct drm_nouveau_private *dev_priv = dev->dev_private; struct backlight_device *bd; if (!nv_rd32(dev, NV50_PDISPLAY_SOR_BACKLIGHT)) return 0; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 1025; bd = backlight_device_register("nv_backlight", &dev->pdev->dev, dev, - &nv50_bl_ops); + &nv50_bl_ops, &props); if (IS_ERR(bd)) return PTR_ERR(bd); dev_priv->backlight = bd; - bd->props.max_brightness = 1025; bd->props.brightness = nv50_get_intensity(bd); backlight_update_status(bd); return 0; diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c index 4f3c4479c16..1cec02f6c43 100644 --- a/drivers/macintosh/via-pmu-backlight.c +++ b/drivers/macintosh/via-pmu-backlight.c @@ -144,6 +144,7 @@ void pmu_backlight_set_sleep(int sleep) void __init pmu_backlight_init() { + struct backlight_properties props; struct backlight_device *bd; char name[10]; int level, autosave; @@ -161,13 +162,15 @@ void __init pmu_backlight_init() snprintf(name, sizeof(name), "pmubl"); - bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data, + &props); if (IS_ERR(bd)) { printk(KERN_ERR "PMU Backlight registration failed\n"); return; } uses_pmu_bl = 1; - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; pmu_backlight_init_curve(0x7F, 0x46, 0x0E); level = bd->props.max_brightness; diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 226b3e93498..cbca40aa400 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -922,9 +922,13 @@ static struct backlight_ops acer_bl_ops = { static int __devinit acer_backlight_init(struct device *dev) { + struct backlight_properties props; struct backlight_device *bd; - bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = max_brightness; + bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops, + &props); if (IS_ERR(bd)) { printk(ACER_ERR "Could not register Acer backlight device\n"); acer_backlight_device = NULL; @@ -935,7 +939,6 @@ static int __devinit acer_backlight_init(struct device *dev) bd->props.power = FB_BLANK_UNBLANK; bd->props.brightness = read_brightness(bd); - bd->props.max_brightness = max_brightness; backlight_update_status(bd); return 0; } diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 791fcf32150..db5f7db2ba3 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -639,12 +639,16 @@ static int asus_backlight_init(struct asus_laptop *asus) { struct backlight_device *bd; struct device *dev = &asus->platform_device->dev; + struct backlight_properties props; if (!acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) && !acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) && lcd_switch_handle) { + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 15; + bd = backlight_device_register(ASUS_LAPTOP_FILE, dev, - asus, &asusbl_ops); + asus, &asusbl_ops, &props); if (IS_ERR(bd)) { pr_err("Could not register asus backlight device\n"); asus->backlight_device = NULL; @@ -653,7 +657,6 @@ static int asus_backlight_init(struct asus_laptop *asus) asus->backlight_device = bd; - bd->props.max_brightness = 15; bd->props.power = FB_BLANK_UNBLANK; bd->props.brightness = asus_read_brightness(bd); backlight_update_status(bd); diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c index 1381430e110..ee520357aba 100644 --- a/drivers/platform/x86/asus_acpi.c +++ b/drivers/platform/x86/asus_acpi.c @@ -1481,6 +1481,7 @@ static void asus_acpi_exit(void) static int __init asus_acpi_init(void) { + struct backlight_properties props; int result; result = acpi_bus_register_driver(&asus_hotk_driver); @@ -1507,15 +1508,17 @@ static int __init asus_acpi_init(void) return -ENODEV; } + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 15; asus_backlight_device = backlight_device_register("asus", NULL, NULL, - &asus_backlight_data); + &asus_backlight_data, + &props); if (IS_ERR(asus_backlight_device)) { printk(KERN_ERR "Could not register asus backlight device\n"); asus_backlight_device = NULL; asus_acpi_exit(); return -ENODEV; } - asus_backlight_device->props.max_brightness = 15; return 0; } diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c index 035a7dd65a3..6670ed8f9e5 100644 --- a/drivers/platform/x86/classmate-laptop.c +++ b/drivers/platform/x86/classmate-laptop.c @@ -462,11 +462,13 @@ static struct backlight_ops cmpc_bl_ops = { static int cmpc_bl_add(struct acpi_device *acpi) { + struct backlight_properties props; struct backlight_device *bd; - bd = backlight_device_register("cmpc_bl", &acpi->dev, - acpi->handle, &cmpc_bl_ops); - bd->props.max_brightness = 7; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 7; + bd = backlight_device_register("cmpc_bl", &acpi->dev, acpi->handle, + &cmpc_bl_ops, &props); dev_set_drvdata(&acpi->dev, bd); return 0; } diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c index 2740b40aad9..71ff1545a93 100644 --- a/drivers/platform/x86/compal-laptop.c +++ b/drivers/platform/x86/compal-laptop.c @@ -291,12 +291,15 @@ static int __init compal_init(void) /* Register backlight stuff */ if (!acpi_video_backlight_support()) { - compalbl_device = backlight_device_register("compal-laptop", NULL, NULL, - &compalbl_ops); + struct backlight_properties props; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = COMPAL_LCD_LEVEL_MAX - 1; + compalbl_device = backlight_device_register("compal-laptop", + NULL, NULL, + &compalbl_ops, + &props); if (IS_ERR(compalbl_device)) return PTR_ERR(compalbl_device); - - compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1; } ret = platform_driver_register(&compal_driver); diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index ef614979afe..46435ac4684 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -559,10 +559,14 @@ static int __init dell_init(void) release_buffer(); if (max_intensity) { - dell_backlight_device = backlight_device_register( - "dell_backlight", - &platform_device->dev, NULL, - &dell_ops); + struct backlight_properties props; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = max_intensity; + dell_backlight_device = backlight_device_register("dell_backlight", + &platform_device->dev, + NULL, + &dell_ops, + &props); if (IS_ERR(dell_backlight_device)) { ret = PTR_ERR(dell_backlight_device); @@ -570,7 +574,6 @@ static int __init dell_init(void) goto fail_backlight; } - dell_backlight_device->props.max_brightness = max_intensity; dell_backlight_device->props.brightness = dell_get_intensity(dell_backlight_device); backlight_update_status(dell_backlight_device); diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index 9a844caa375..3fdf21e0052 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -1131,18 +1131,20 @@ static int eeepc_backlight_notify(struct eeepc_laptop *eeepc) static int eeepc_backlight_init(struct eeepc_laptop *eeepc) { + struct backlight_properties props; struct backlight_device *bd; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 15; bd = backlight_device_register(EEEPC_LAPTOP_FILE, - &eeepc->platform_device->dev, - eeepc, &eeepcbl_ops); + &eeepc->platform_device->dev, eeepc, + &eeepcbl_ops, &props); if (IS_ERR(bd)) { pr_err("Could not register eeepc backlight device\n"); eeepc->backlight_device = NULL; return PTR_ERR(bd); } eeepc->backlight_device = bd; - bd->props.max_brightness = 15; bd->props.brightness = read_brightness(bd); bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index 5f3320d468f..c1074b32490 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -1126,16 +1126,20 @@ static int __init fujitsu_init(void) /* Register backlight stuff */ if (!acpi_video_backlight_support()) { - fujitsu->bl_device = - backlight_device_register("fujitsu-laptop", NULL, NULL, - &fujitsubl_ops); + struct backlight_properties props; + + memset(&props, 0, sizeof(struct backlight_properties)); + max_brightness = fujitsu->max_brightness; + props.max_brightness = max_brightness - 1; + fujitsu->bl_device = backlight_device_register("fujitsu-laptop", + NULL, NULL, + &fujitsubl_ops, + &props); if (IS_ERR(fujitsu->bl_device)) { ret = PTR_ERR(fujitsu->bl_device); fujitsu->bl_device = NULL; goto fail_sysfs_group; } - max_brightness = fujitsu->max_brightness; - fujitsu->bl_device->props.max_brightness = max_brightness - 1; fujitsu->bl_device->props.brightness = fujitsu->brightness_level; } diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c index c2b05da4289..996223a7c00 100644 --- a/drivers/platform/x86/msi-laptop.c +++ b/drivers/platform/x86/msi-laptop.c @@ -683,11 +683,14 @@ static int __init msi_init(void) printk(KERN_INFO "MSI: Brightness ignored, must be controlled " "by ACPI video driver\n"); } else { + struct backlight_properties props; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = MSI_LCD_LEVEL_MAX - 1; msibl_device = backlight_device_register("msi-laptop-bl", NULL, - NULL, &msibl_ops); + NULL, &msibl_ops, + &props); if (IS_ERR(msibl_device)) return PTR_ERR(msibl_device); - msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1; } ret = platform_driver_register(&msipf_driver); diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c index f5f70d4c691..fb7ccaae656 100644 --- a/drivers/platform/x86/msi-wmi.c +++ b/drivers/platform/x86/msi-wmi.c @@ -249,12 +249,15 @@ static int __init msi_wmi_init(void) goto err_uninstall_notifier; if (!acpi_video_backlight_support()) { - backlight = backlight_device_register(DRV_NAME, - NULL, NULL, &msi_backlight_ops); + struct backlight_properties props; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = ARRAY_SIZE(backlight_map) - 1; + backlight = backlight_device_register(DRV_NAME, NULL, NULL, + &msi_backlight_ops, + &props); if (IS_ERR(backlight)) goto err_free_input; - backlight->props.max_brightness = ARRAY_SIZE(backlight_map) - 1; err = bl_get(NULL); if (err < 0) goto err_free_backlight; diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index c9fc479fc29..ab5c9cea146 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -600,6 +600,7 @@ static int acpi_pcc_hotkey_resume(struct acpi_device *device) static int acpi_pcc_hotkey_add(struct acpi_device *device) { + struct backlight_properties props; struct pcc_acpi *pcc; int num_sifr, result; @@ -637,24 +638,23 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device) if (result) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing keyinput handler\n")); - goto out_sinf; + goto out_hotkey; } - /* initialize backlight */ - pcc->backlight = backlight_device_register("panasonic", NULL, pcc, - &pcc_backlight_ops); - if (IS_ERR(pcc->backlight)) - goto out_input; - if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n")); - goto out_backlight; + goto out_input; } + /* initialize backlight */ + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = pcc->sinf[SINF_AC_MAX_BRIGHT]; + pcc->backlight = backlight_device_register("panasonic", NULL, pcc, + &pcc_backlight_ops, &props); + if (IS_ERR(pcc->backlight)) + goto out_sinf; /* read the initial brightness setting from the hardware */ - pcc->backlight->props.max_brightness = - pcc->sinf[SINF_AC_MAX_BRIGHT]; pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT]; /* read the initial sticky key mode from the hardware */ @@ -669,12 +669,12 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device) out_backlight: backlight_device_unregister(pcc->backlight); +out_sinf: + kfree(pcc->sinf); out_input: input_unregister_device(pcc->input_dev); /* no need to input_free_device() since core input API refcount and * free()s the device */ -out_sinf: - kfree(pcc->sinf); out_hotkey: kfree(pcc); diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index 5a3d8514c66..6553b91caaa 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -1291,9 +1291,13 @@ static int sony_nc_add(struct acpi_device *device) "controlled by ACPI video driver\n"); } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) { + struct backlight_properties props; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = SONY_MAX_BRIGHTNESS - 1; sony_backlight_device = backlight_device_register("sony", NULL, NULL, - &sony_backlight_ops); + &sony_backlight_ops, + &props); if (IS_ERR(sony_backlight_device)) { printk(KERN_WARNING DRV_PFX "unable to register backlight device\n"); @@ -1302,8 +1306,6 @@ static int sony_nc_add(struct acpi_device *device) sony_backlight_device->props.brightness = sony_backlight_get_brightness (sony_backlight_device); - sony_backlight_device->props.max_brightness = - SONY_MAX_BRIGHTNESS - 1; } } diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index c64e3528889..770b85327f8 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -6170,6 +6170,7 @@ static const struct tpacpi_quirk brightness_quirk_table[] __initconst = { static int __init brightness_init(struct ibm_init_struct *iibm) { + struct backlight_properties props; int b; unsigned long quirks; @@ -6259,9 +6260,12 @@ static int __init brightness_init(struct ibm_init_struct *iibm) printk(TPACPI_INFO "detected a 16-level brightness capable ThinkPad\n"); - ibm_backlight_device = backlight_device_register( - TPACPI_BACKLIGHT_DEV_NAME, NULL, NULL, - &ibm_backlight_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = (tp_features.bright_16levels) ? 15 : 7; + ibm_backlight_device = backlight_device_register(TPACPI_BACKLIGHT_DEV_NAME, + NULL, NULL, + &ibm_backlight_data, + &props); if (IS_ERR(ibm_backlight_device)) { int rc = PTR_ERR(ibm_backlight_device); ibm_backlight_device = NULL; @@ -6280,8 +6284,6 @@ static int __init brightness_init(struct ibm_init_struct *iibm) "or not on your ThinkPad\n", TPACPI_MAIL); } - ibm_backlight_device->props.max_brightness = - (tp_features.bright_16levels)? 15 : 7; ibm_backlight_device->props.brightness = b & TP_EC_BACKLIGHT_LVLMSK; backlight_update_status(ibm_backlight_device); diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 789240d1b57..def4841183b 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -924,6 +924,7 @@ static int __init toshiba_acpi_init(void) u32 hci_result; bool bt_present; int ret = 0; + struct backlight_properties props; if (acpi_disabled) return -ENODEV; @@ -974,10 +975,12 @@ static int __init toshiba_acpi_init(void) } } + props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1; toshiba_backlight_device = backlight_device_register("toshiba", - &toshiba_acpi.p_dev->dev, - NULL, - &toshiba_backlight_data); + &toshiba_acpi.p_dev->dev, + NULL, + &toshiba_backlight_data, + &props); if (IS_ERR(toshiba_backlight_device)) { ret = PTR_ERR(toshiba_backlight_device); @@ -986,7 +989,6 @@ static int __init toshiba_acpi_init(void) toshiba_acpi_exit(); return ret; } - toshiba_backlight_device->props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1; /* Register rfkill switch for Bluetooth */ if (hci_get_bt_present(&bt_present) == HCI_SUCCESS && bt_present) { diff --git a/drivers/staging/samsung-laptop/samsung-laptop.c b/drivers/staging/samsung-laptop/samsung-laptop.c index dd7ea4c075d..eb44b60e1eb 100644 --- a/drivers/staging/samsung-laptop/samsung-laptop.c +++ b/drivers/staging/samsung-laptop/samsung-laptop.c @@ -394,6 +394,7 @@ MODULE_DEVICE_TABLE(dmi, samsung_dmi_table); static int __init samsung_init(void) { + struct backlight_properties props; struct sabi_retval sretval; const char *testStr = "SECLINUX"; void __iomem *memcheck; @@ -486,12 +487,14 @@ static int __init samsung_init(void) goto error_no_platform; /* create a backlight device to talk to this one */ + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = MAX_BRIGHT; backlight_device = backlight_device_register("samsung", &sdev->dev, - NULL, &backlight_ops); + NULL, &backlight_ops, + &props); if (IS_ERR(backlight_device)) goto error_no_backlight; - backlight_device->props.max_brightness = MAX_BRIGHT; backlight_device->props.brightness = read_brightness(); backlight_device->props.power = FB_BLANK_UNBLANK; backlight_update_status(backlight_device); diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index 4d2952f1fb1..3adab041355 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -202,6 +202,7 @@ static void appledisplay_work(struct work_struct *work) static int appledisplay_probe(struct usb_interface *iface, const struct usb_device_id *id) { + struct backlight_properties props; struct appledisplay *pdata; struct usb_device *udev = interface_to_usbdev(iface); struct usb_host_interface *iface_desc; @@ -279,16 +280,16 @@ static int appledisplay_probe(struct usb_interface *iface, /* Register backlight device */ snprintf(bl_name, sizeof(bl_name), "appledisplay%d", atomic_inc_return(&count_displays) - 1); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 0xff; pdata->bd = backlight_device_register(bl_name, NULL, pdata, - &appledisplay_bl_data); + &appledisplay_bl_data, &props); if (IS_ERR(pdata->bd)) { dev_err(&iface->dev, "Backlight registration failed\n"); retval = PTR_ERR(pdata->bd); goto error; } - pdata->bd->props.max_brightness = 0xff; - /* Try to get brightness */ brightness = appledisplay_bl_get_brightness(pdata->bd); diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 3d886c6902f..11de3bfd4e5 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -117,6 +117,7 @@ static struct backlight_ops atmel_lcdc_bl_ops = { static void init_backlight(struct atmel_lcdfb_info *sinfo) { + struct backlight_properties props; struct backlight_device *bl; sinfo->bl_power = FB_BLANK_UNBLANK; @@ -124,8 +125,10 @@ static void init_backlight(struct atmel_lcdfb_info *sinfo) if (sinfo->backlight) return; - bl = backlight_device_register("backlight", &sinfo->pdev->dev, - sinfo, &atmel_lcdc_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 0xff; + bl = backlight_device_register("backlight", &sinfo->pdev->dev, sinfo, + &atmel_lcdc_bl_ops, &props); if (IS_ERR(bl)) { dev_err(&sinfo->pdev->dev, "error %ld on backlight register\n", PTR_ERR(bl)); @@ -135,7 +138,6 @@ static void init_backlight(struct atmel_lcdfb_info *sinfo) bl->props.power = FB_BLANK_UNBLANK; bl->props.fb_blank = FB_BLANK_UNBLANK; - bl->props.max_brightness = 0xff; bl->props.brightness = atmel_bl_get_brightness(bl); } diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c index 9ee67d6da71..a489be0c461 100644 --- a/drivers/video/aty/aty128fb.c +++ b/drivers/video/aty/aty128fb.c @@ -1802,6 +1802,7 @@ static void aty128_bl_set_power(struct fb_info *info, int power) static void aty128_bl_init(struct aty128fb_par *par) { + struct backlight_properties props; struct fb_info *info = pci_get_drvdata(par->pdev); struct backlight_device *bd; char name[12]; @@ -1817,7 +1818,10 @@ static void aty128_bl_init(struct aty128fb_par *par) snprintf(name, sizeof(name), "aty128bl%d", info->node); - bd = backlight_device_register(name, info->dev, par, &aty128_bl_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, info->dev, par, &aty128_bl_data, + &props); if (IS_ERR(bd)) { info->bl_dev = NULL; printk(KERN_WARNING "aty128: Backlight registration failed\n"); @@ -1829,7 +1833,6 @@ static void aty128_bl_init(struct aty128fb_par *par) 63 * FB_BACKLIGHT_MAX / MAX_LEVEL, 219 * FB_BACKLIGHT_MAX / MAX_LEVEL); - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; bd->props.brightness = bd->props.max_brightness; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index e45ab8db2dd..29d72851f85 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -2232,6 +2232,7 @@ static struct backlight_ops aty_bl_data = { static void aty_bl_init(struct atyfb_par *par) { + struct backlight_properties props; struct fb_info *info = pci_get_drvdata(par->pdev); struct backlight_device *bd; char name[12]; @@ -2243,7 +2244,10 @@ static void aty_bl_init(struct atyfb_par *par) snprintf(name, sizeof(name), "atybl%d", info->node); - bd = backlight_device_register(name, info->dev, par, &aty_bl_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, info->dev, par, &aty_bl_data, + &props); if (IS_ERR(bd)) { info->bl_dev = NULL; printk(KERN_WARNING "aty: Backlight registration failed\n"); @@ -2255,7 +2259,6 @@ static void aty_bl_init(struct atyfb_par *par) 0x3F * FB_BACKLIGHT_MAX / MAX_LEVEL, 0xFF * FB_BACKLIGHT_MAX / MAX_LEVEL); - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; bd->props.brightness = bd->props.max_brightness; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c index fa1198c4ccc..9fc8c66be3c 100644 --- a/drivers/video/aty/radeon_backlight.c +++ b/drivers/video/aty/radeon_backlight.c @@ -134,6 +134,7 @@ static struct backlight_ops radeon_bl_data = { void radeonfb_bl_init(struct radeonfb_info *rinfo) { + struct backlight_properties props; struct backlight_device *bd; struct radeon_bl_privdata *pdata; char name[12]; @@ -155,7 +156,10 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo) snprintf(name, sizeof(name), "radeonbl%d", rinfo->info->node); - bd = backlight_device_register(name, rinfo->info->dev, pdata, &radeon_bl_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, rinfo->info->dev, pdata, + &radeon_bl_data, &props); if (IS_ERR(bd)) { rinfo->info->bl_dev = NULL; printk("radeonfb: Backlight registration failed\n"); @@ -185,7 +189,6 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo) 63 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL, 217 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL); - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; bd->props.brightness = bd->props.max_brightness; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c index b8f705cca43..93e25c77aeb 100644 --- a/drivers/video/backlight/88pm860x_bl.c +++ b/drivers/video/backlight/88pm860x_bl.c @@ -187,6 +187,7 @@ static int pm860x_backlight_probe(struct platform_device *pdev) struct pm860x_backlight_data *data; struct backlight_device *bl; struct resource *res; + struct backlight_properties props; unsigned char value; char name[MFD_NAME_SIZE]; int ret; @@ -223,14 +224,15 @@ static int pm860x_backlight_probe(struct platform_device *pdev) return -EINVAL; } + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = MAX_BRIGHTNESS; bl = backlight_device_register(name, &pdev->dev, data, - &pm860x_backlight_ops); + &pm860x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); kfree(data); return PTR_ERR(bl); } - bl->props.max_brightness = MAX_BRIGHTNESS; bl->props.brightness = MAX_BRIGHTNESS; platform_set_drvdata(pdev, bl); diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c index 86d95c228ad..5183f0e4d31 100644 --- a/drivers/video/backlight/adp5520_bl.c +++ b/drivers/video/backlight/adp5520_bl.c @@ -278,6 +278,7 @@ static const struct attribute_group adp5520_bl_attr_group = { static int __devinit adp5520_bl_probe(struct platform_device *pdev) { + struct backlight_properties props; struct backlight_device *bl; struct adp5520_bl *data; int ret = 0; @@ -300,17 +301,17 @@ static int __devinit adp5520_bl_probe(struct platform_device *pdev) mutex_init(&data->lock); - bl = backlight_device_register(pdev->name, data->master, - data, &adp5520_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = ADP5020_MAX_BRIGHTNESS; + bl = backlight_device_register(pdev->name, data->master, data, + &adp5520_bl_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); kfree(data); return PTR_ERR(bl); } - bl->props.max_brightness = - bl->props.brightness = ADP5020_MAX_BRIGHTNESS; - + bl->props.brightness = ADP5020_MAX_BRIGHTNESS; if (data->pdata->en_ambl_sens) ret = sysfs_create_group(&bl->dev.kobj, &adp5520_bl_attr_group); diff --git a/drivers/video/backlight/adx_bl.c b/drivers/video/backlight/adx_bl.c index a683dd1be4b..b0624b98388 100644 --- a/drivers/video/backlight/adx_bl.c +++ b/drivers/video/backlight/adx_bl.c @@ -70,6 +70,7 @@ static const struct backlight_ops adx_backlight_ops = { static int __devinit adx_backlight_probe(struct platform_device *pdev) { + struct backlight_properties props; struct backlight_device *bldev; struct resource *res; struct adxbl *bl; @@ -101,14 +102,15 @@ static int __devinit adx_backlight_probe(struct platform_device *pdev) goto out; } - bldev = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, bl, - &adx_backlight_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 0xff; + bldev = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, + bl, &adx_backlight_ops, &props); if (!bldev) { ret = -ENOMEM; goto out; } - bldev->props.max_brightness = 0xff; bldev->props.brightness = 0xff; bldev->props.power = FB_BLANK_UNBLANK; diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index f625ffc69ad..2d9760551a4 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -120,6 +120,7 @@ static const struct backlight_ops atmel_pwm_bl_ops = { static int atmel_pwm_bl_probe(struct platform_device *pdev) { + struct backlight_properties props; const struct atmel_pwm_bl_platform_data *pdata; struct backlight_device *bldev; struct atmel_pwm_bl *pwmbl; @@ -165,8 +166,10 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev) goto err_free_gpio; } - bldev = backlight_device_register("atmel-pwm-bl", - &pdev->dev, pwmbl, &atmel_pwm_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = pdata->pwm_duty_max - pdata->pwm_duty_min; + bldev = backlight_device_register("atmel-pwm-bl", &pdev->dev, pwmbl, + &atmel_pwm_bl_ops, &props); if (IS_ERR(bldev)) { retval = PTR_ERR(bldev); goto err_free_gpio; @@ -178,7 +181,6 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev) /* Power up the backlight by default at middle intesity. */ bldev->props.power = FB_BLANK_UNBLANK; - bldev->props.max_brightness = pdata->pwm_duty_max - pdata->pwm_duty_min; bldev->props.brightness = bldev->props.max_brightness / 2; retval = atmel_pwm_bl_init_pwm(pwmbl); diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index b800cd4eeec..68bb838b9f1 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -269,7 +269,8 @@ EXPORT_SYMBOL(backlight_force_update); * ERR_PTR() or a pointer to the newly allocated device. */ struct backlight_device *backlight_device_register(const char *name, - struct device *parent, void *devdata, const struct backlight_ops *ops) + struct device *parent, void *devdata, const struct backlight_ops *ops, + const struct backlight_properties *props) { struct backlight_device *new_bd; int rc; @@ -289,6 +290,11 @@ struct backlight_device *backlight_device_register(const char *name, dev_set_name(&new_bd->dev, name); dev_set_drvdata(&new_bd->dev, devdata); + /* Set default properties */ + if (props) + memcpy(&new_bd->props, props, + sizeof(struct backlight_properties)); + rc = device_register(&new_bd->dev); if (rc) { kfree(new_bd); diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c index b4bcf804379..73bdd8454c9 100644 --- a/drivers/video/backlight/corgi_lcd.c +++ b/drivers/video/backlight/corgi_lcd.c @@ -533,6 +533,7 @@ err_free_backlight_on: static int __devinit corgi_lcd_probe(struct spi_device *spi) { + struct backlight_properties props; struct corgi_lcd_platform_data *pdata = spi->dev.platform_data; struct corgi_lcd *lcd; int ret = 0; @@ -559,13 +560,14 @@ static int __devinit corgi_lcd_probe(struct spi_device *spi) lcd->power = FB_BLANK_POWERDOWN; lcd->mode = (pdata) ? pdata->init_mode : CORGI_LCD_MODE_VGA; - lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev, - lcd, &corgi_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = pdata->max_intensity; + lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev, lcd, + &corgi_bl_ops, &props); if (IS_ERR(lcd->bl_dev)) { ret = PTR_ERR(lcd->bl_dev); goto err_unregister_lcd; } - lcd->bl_dev->props.max_brightness = pdata->max_intensity; lcd->bl_dev->props.brightness = pdata->default_intensity; lcd->bl_dev->props.power = FB_BLANK_UNBLANK; diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c index da86db4374a..1cce6031bff 100644 --- a/drivers/video/backlight/cr_bllcd.c +++ b/drivers/video/backlight/cr_bllcd.c @@ -170,6 +170,7 @@ static struct lcd_ops cr_lcd_ops = { static int cr_backlight_probe(struct platform_device *pdev) { + struct backlight_properties props; struct backlight_device *bdp; struct lcd_device *ldp; struct cr_panel *crp; @@ -190,8 +191,9 @@ static int cr_backlight_probe(struct platform_device *pdev) return -ENODEV; } - bdp = backlight_device_register("cr-backlight", - &pdev->dev, NULL, &cr_backlight_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + bdp = backlight_device_register("cr-backlight", &pdev->dev, NULL, + &cr_backlight_ops, &props); if (IS_ERR(bdp)) { pci_dev_put(lpc_dev); return PTR_ERR(bdp); @@ -220,9 +222,7 @@ static int cr_backlight_probe(struct platform_device *pdev) crp->cr_lcd_device = ldp; crp->cr_backlight_device->props.power = FB_BLANK_UNBLANK; crp->cr_backlight_device->props.brightness = 0; - crp->cr_backlight_device->props.max_brightness = 0; cr_backlight_set_intensity(crp->cr_backlight_device); - cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_UNBLANK); platform_set_drvdata(pdev, crp); diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c index 74cdc640173..686e4a78923 100644 --- a/drivers/video/backlight/da903x_bl.c +++ b/drivers/video/backlight/da903x_bl.c @@ -105,6 +105,7 @@ static int da903x_backlight_probe(struct platform_device *pdev) struct da9034_backlight_pdata *pdata = pdev->dev.platform_data; struct da903x_backlight_data *data; struct backlight_device *bl; + struct backlight_properties props; int max_brightness; data = kzalloc(sizeof(*data), GFP_KERNEL); @@ -134,15 +135,15 @@ static int da903x_backlight_probe(struct platform_device *pdev) da903x_write(data->da903x_dev, DA9034_WLED_CONTROL2, DA9034_WLED_ISET(pdata->output_current)); - bl = backlight_device_register(pdev->name, data->da903x_dev, - data, &da903x_backlight_ops); + props.max_brightness = max_brightness; + bl = backlight_device_register(pdev->name, data->da903x_dev, data, + &da903x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); kfree(data); return PTR_ERR(bl); } - bl->props.max_brightness = max_brightness; bl->props.brightness = max_brightness; platform_set_drvdata(pdev, bl); diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c index e6d348e6359..312ca619735 100644 --- a/drivers/video/backlight/generic_bl.c +++ b/drivers/video/backlight/generic_bl.c @@ -78,6 +78,7 @@ static const struct backlight_ops genericbl_ops = { static int genericbl_probe(struct platform_device *pdev) { + struct backlight_properties props; struct generic_bl_info *machinfo = pdev->dev.platform_data; const char *name = "generic-bl"; struct backlight_device *bd; @@ -89,14 +90,15 @@ static int genericbl_probe(struct platform_device *pdev) if (machinfo->name) name = machinfo->name; - bd = backlight_device_register (name, - &pdev->dev, NULL, &genericbl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = machinfo->max_intensity; + bd = backlight_device_register(name, &pdev->dev, NULL, &genericbl_ops, + &props); if (IS_ERR (bd)) return PTR_ERR (bd); platform_set_drvdata(pdev, bd); - bd->props.max_brightness = machinfo->max_intensity; bd->props.power = FB_BLANK_UNBLANK; bd->props.brightness = machinfo->default_intensity; backlight_update_status(bd); diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c index f7cc528d5be..267d23f8d64 100644 --- a/drivers/video/backlight/hp680_bl.c +++ b/drivers/video/backlight/hp680_bl.c @@ -105,16 +105,18 @@ static const struct backlight_ops hp680bl_ops = { static int __devinit hp680bl_probe(struct platform_device *pdev) { + struct backlight_properties props; struct backlight_device *bd; - bd = backlight_device_register ("hp680-bl", &pdev->dev, NULL, - &hp680bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = HP680_MAX_INTENSITY; + bd = backlight_device_register("hp680-bl", &pdev->dev, NULL, + &hp680bl_ops, &props); if (IS_ERR(bd)) return PTR_ERR(bd); platform_set_drvdata(pdev, bd); - bd->props.max_brightness = HP680_MAX_INTENSITY; bd->props.brightness = HP680_DEFAULT_INTENSITY; hp680bl_send_intensity(bd); diff --git a/drivers/video/backlight/jornada720_bl.c b/drivers/video/backlight/jornada720_bl.c index db9071fc566..2f177b3a488 100644 --- a/drivers/video/backlight/jornada720_bl.c +++ b/drivers/video/backlight/jornada720_bl.c @@ -101,10 +101,14 @@ static const struct backlight_ops jornada_bl_ops = { static int jornada_bl_probe(struct platform_device *pdev) { + struct backlight_properties props; int ret; struct backlight_device *bd; - bd = backlight_device_register(S1D_DEVICENAME, &pdev->dev, NULL, &jornada_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = BL_MAX_BRIGHT; + bd = backlight_device_register(S1D_DEVICENAME, &pdev->dev, NULL, + &jornada_bl_ops, &props); if (IS_ERR(bd)) { ret = PTR_ERR(bd); @@ -117,7 +121,6 @@ static int jornada_bl_probe(struct platform_device *pdev) /* note. make sure max brightness is set otherwise you will get seemingly non-related errors when trying to change brightness */ - bd->props.max_brightness = BL_MAX_BRIGHT; jornada_bl_update_status(bd); platform_set_drvdata(pdev, bd); diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c index 939e7b830cf..f439a863228 100644 --- a/drivers/video/backlight/kb3886_bl.c +++ b/drivers/video/backlight/kb3886_bl.c @@ -141,20 +141,24 @@ static const struct backlight_ops kb3886bl_ops = { static int kb3886bl_probe(struct platform_device *pdev) { + struct backlight_properties props; struct kb3886bl_machinfo *machinfo = pdev->dev.platform_data; bl_machinfo = machinfo; if (!machinfo->limit_mask) machinfo->limit_mask = -1; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = machinfo->max_intensity; kb3886_backlight_device = backlight_device_register("kb3886-bl", - &pdev->dev, NULL, &kb3886bl_ops); + &pdev->dev, NULL, + &kb3886bl_ops, + &props); if (IS_ERR(kb3886_backlight_device)) return PTR_ERR(kb3886_backlight_device); platform_set_drvdata(pdev, kb3886_backlight_device); - kb3886_backlight_device->props.max_brightness = machinfo->max_intensity; kb3886_backlight_device->props.power = FB_BLANK_UNBLANK; kb3886_backlight_device->props.brightness = machinfo->default_intensity; backlight_update_status(kb3886_backlight_device); diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c index 00a9591b000..7571bc26071 100644 --- a/drivers/video/backlight/locomolcd.c +++ b/drivers/video/backlight/locomolcd.c @@ -167,6 +167,7 @@ static int locomolcd_resume(struct locomo_dev *dev) static int locomolcd_probe(struct locomo_dev *ldev) { + struct backlight_properties props; unsigned long flags; local_irq_save(flags); @@ -182,13 +183,16 @@ static int locomolcd_probe(struct locomo_dev *ldev) local_irq_restore(flags); - locomolcd_bl_device = backlight_device_register("locomo-bl", &ldev->dev, NULL, &locomobl_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 4; + locomolcd_bl_device = backlight_device_register("locomo-bl", + &ldev->dev, NULL, + &locomobl_data, &props); if (IS_ERR (locomolcd_bl_device)) return PTR_ERR (locomolcd_bl_device); /* Set up frontlight so that screen is readable */ - locomolcd_bl_device->props.max_brightness = 4, locomolcd_bl_device->props.brightness = 2; locomolcd_set_intensity(locomolcd_bl_device); diff --git a/drivers/video/backlight/max8925_bl.c b/drivers/video/backlight/max8925_bl.c index c267069a52a..c91adaf492c 100644 --- a/drivers/video/backlight/max8925_bl.c +++ b/drivers/video/backlight/max8925_bl.c @@ -104,6 +104,7 @@ static int __devinit max8925_backlight_probe(struct platform_device *pdev) struct max8925_backlight_pdata *pdata = NULL; struct max8925_backlight_data *data; struct backlight_device *bl; + struct backlight_properties props; struct resource *res; char name[MAX8925_NAME_SIZE]; unsigned char value; @@ -133,14 +134,15 @@ static int __devinit max8925_backlight_probe(struct platform_device *pdev) data->chip = chip; data->current_brightness = 0; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = MAX_BRIGHTNESS; bl = backlight_device_register(name, &pdev->dev, data, - &max8925_backlight_ops); + &max8925_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); kfree(data); return PTR_ERR(bl); } - bl->props.max_brightness = MAX_BRIGHTNESS; bl->props.brightness = MAX_BRIGHTNESS; platform_set_drvdata(pdev, bl); diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c index 2e78b0784bd..0881358eeac 100644 --- a/drivers/video/backlight/mbp_nvidia_bl.c +++ b/drivers/video/backlight/mbp_nvidia_bl.c @@ -250,6 +250,7 @@ static const struct dmi_system_id __initdata mbp_device_table[] = { static int __init mbp_init(void) { + struct backlight_properties props; if (!dmi_check_system(mbp_device_table)) return -ENODEV; @@ -257,14 +258,17 @@ static int __init mbp_init(void) "Macbook Pro backlight")) return -ENXIO; - mbp_backlight_device = backlight_device_register("mbp_backlight", - NULL, NULL, &driver_data->backlight_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 15; + mbp_backlight_device = backlight_device_register("mbp_backlight", NULL, + NULL, + &driver_data->backlight_ops, + &props); if (IS_ERR(mbp_backlight_device)) { release_region(driver_data->iostart, driver_data->iolen); return PTR_ERR(mbp_backlight_device); } - mbp_backlight_device->props.max_brightness = 15; mbp_backlight_device->props.brightness = driver_data->backlight_ops.get_brightness(mbp_backlight_device); backlight_update_status(mbp_backlight_device); diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c index a3a7f893817..333d28e6b06 100644 --- a/drivers/video/backlight/omap1_bl.c +++ b/drivers/video/backlight/omap1_bl.c @@ -132,6 +132,7 @@ static const struct backlight_ops omapbl_ops = { static int omapbl_probe(struct platform_device *pdev) { + struct backlight_properties props; struct backlight_device *dev; struct omap_backlight *bl; struct omap_backlight_config *pdata = pdev->dev.platform_data; @@ -143,7 +144,10 @@ static int omapbl_probe(struct platform_device *pdev) if (unlikely(!bl)) return -ENOMEM; - dev = backlight_device_register("omap-bl", &pdev->dev, bl, &omapbl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = OMAPBL_MAX_INTENSITY; + dev = backlight_device_register("omap-bl", &pdev->dev, bl, &omapbl_ops, + &props); if (IS_ERR(dev)) { kfree(bl); return PTR_ERR(dev); @@ -160,7 +164,6 @@ static int omapbl_probe(struct platform_device *pdev) omap_cfg_reg(PWL); /* Conflicts with UART3 */ dev->props.fb_blank = FB_BLANK_UNBLANK; - dev->props.max_brightness = OMAPBL_MAX_INTENSITY; dev->props.brightness = pdata->default_intensity; omapbl_update_status(dev); diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c index 2ec16deb239..809278c9073 100644 --- a/drivers/video/backlight/progear_bl.c +++ b/drivers/video/backlight/progear_bl.c @@ -61,6 +61,7 @@ static const struct backlight_ops progearbl_ops = { static int progearbl_probe(struct platform_device *pdev) { + struct backlight_properties props; u8 temp; struct backlight_device *progear_backlight_device; int ret; @@ -82,9 +83,12 @@ static int progearbl_probe(struct platform_device *pdev) pci_read_config_byte(sb_dev, SB_MPS1, &temp); pci_write_config_byte(sb_dev, SB_MPS1, temp | 0x20); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; progear_backlight_device = backlight_device_register("progear-bl", &pdev->dev, NULL, - &progearbl_ops); + &progearbl_ops, + &props); if (IS_ERR(progear_backlight_device)) { ret = PTR_ERR(progear_backlight_device); goto put_sb; @@ -94,7 +98,6 @@ static int progearbl_probe(struct platform_device *pdev) progear_backlight_device->props.power = FB_BLANK_UNBLANK; progear_backlight_device->props.brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; - progear_backlight_device->props.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; progearbl_set_intensity(progear_backlight_device); return 0; diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 9d2ec2a1cce..b89eebc3f77 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -65,6 +65,7 @@ static const struct backlight_ops pwm_backlight_ops = { static int pwm_backlight_probe(struct platform_device *pdev) { + struct backlight_properties props; struct platform_pwm_backlight_data *data = pdev->dev.platform_data; struct backlight_device *bl; struct pwm_bl_data *pb; @@ -100,15 +101,16 @@ static int pwm_backlight_probe(struct platform_device *pdev) } else dev_dbg(&pdev->dev, "got pwm for backlight\n"); - bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, - pb, &pwm_backlight_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = data->max_brightness; + bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, pb, + &pwm_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); ret = PTR_ERR(bl); goto err_bl; } - bl->props.max_brightness = data->max_brightness; bl->props.brightness = data->dft_brightness; backlight_update_status(bl); diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c index e14ce4d469f..f57bbf17004 100644 --- a/drivers/video/backlight/tosa_bl.c +++ b/drivers/video/backlight/tosa_bl.c @@ -80,6 +80,7 @@ static const struct backlight_ops bl_ops = { static int __devinit tosa_bl_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct backlight_properties props; struct tosa_bl_data *data = kzalloc(sizeof(struct tosa_bl_data), GFP_KERNEL); int ret = 0; if (!data) @@ -99,15 +100,16 @@ static int __devinit tosa_bl_probe(struct i2c_client *client, i2c_set_clientdata(client, data); data->i2c = client; - data->bl = backlight_device_register("tosa-bl", &client->dev, - data, &bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 512 - 1; + data->bl = backlight_device_register("tosa-bl", &client->dev, data, + &bl_ops, &props); if (IS_ERR(data->bl)) { ret = PTR_ERR(data->bl); goto err_reg; } data->bl->props.brightness = 69; - data->bl->props.max_brightness = 512 - 1; data->bl->props.power = FB_BLANK_UNBLANK; backlight_update_status(data->bl); diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c index e32add37a20..a4312709fb1 100644 --- a/drivers/video/backlight/wm831x_bl.c +++ b/drivers/video/backlight/wm831x_bl.c @@ -125,6 +125,7 @@ static int wm831x_backlight_probe(struct platform_device *pdev) struct wm831x_backlight_pdata *pdata; struct wm831x_backlight_data *data; struct backlight_device *bl; + struct backlight_properties props; int ret, i, max_isel, isink_reg, dcdc_cfg; /* We need platform data */ @@ -191,15 +192,15 @@ static int wm831x_backlight_probe(struct platform_device *pdev) data->current_brightness = 0; data->isink_reg = isink_reg; - bl = backlight_device_register("wm831x", &pdev->dev, - data, &wm831x_backlight_ops); + props.max_brightness = max_isel; + bl = backlight_device_register("wm831x", &pdev->dev, data, + &wm831x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); kfree(data); return PTR_ERR(bl); } - bl->props.max_brightness = max_isel; bl->props.brightness = max_isel; platform_set_drvdata(pdev, bl); diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c index 814312a7452..54df3d44af8 100644 --- a/drivers/video/bf54x-lq043fb.c +++ b/drivers/video/bf54x-lq043fb.c @@ -501,6 +501,7 @@ static irqreturn_t bfin_bf54x_irq_error(int irq, void *dev_id) static int __devinit bfin_bf54x_probe(struct platform_device *pdev) { + struct backlight_properties props; struct bfin_bf54xfb_info *info; struct fb_info *fbinfo; int ret; @@ -645,10 +646,10 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev) goto out8; } #ifndef NO_BL_SUPPORT - bl_dev = - backlight_device_register("bf54x-bl", NULL, NULL, - &bfin_lq043fb_bl_ops); - bl_dev->props.max_brightness = 255; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 255; + bl_dev = backlight_device_register("bf54x-bl", NULL, NULL, + &bfin_lq043fb_bl_ops, &props); lcd_dev = lcd_device_register(DRIVER_NAME, &pdev->dev, NULL, &bfin_lcd_ops); lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n"); diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c index 5653d083a98..3a8e811a7e9 100644 --- a/drivers/video/bfin-t350mcqb-fb.c +++ b/drivers/video/bfin-t350mcqb-fb.c @@ -419,6 +419,7 @@ static irqreturn_t bfin_t350mcqb_irq_error(int irq, void *dev_id) static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev) { + struct backlight_properties props; struct bfin_t350mcqbfb_info *info; struct fb_info *fbinfo; int ret; @@ -540,10 +541,10 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev) goto out8; } #ifndef NO_BL_SUPPORT - bl_dev = - backlight_device_register("bf52x-bl", NULL, NULL, - &bfin_lq043fb_bl_ops); - bl_dev->props.max_brightness = 255; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 255; + bl_dev = backlight_device_register("bf52x-bl", NULL, NULL, + &bfin_lq043fb_bl_ops, &props); lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops); lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n"); diff --git a/drivers/video/nvidia/nv_backlight.c b/drivers/video/nvidia/nv_backlight.c index 443e3c85a9a..2fb552a6f32 100644 --- a/drivers/video/nvidia/nv_backlight.c +++ b/drivers/video/nvidia/nv_backlight.c @@ -94,6 +94,7 @@ static struct backlight_ops nvidia_bl_ops = { void nvidia_bl_init(struct nvidia_par *par) { + struct backlight_properties props; struct fb_info *info = pci_get_drvdata(par->pci_dev); struct backlight_device *bd; char name[12]; @@ -109,7 +110,10 @@ void nvidia_bl_init(struct nvidia_par *par) snprintf(name, sizeof(name), "nvidiabl%d", info->node); - bd = backlight_device_register(name, info->dev, par, &nvidia_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, info->dev, par, &nvidia_bl_ops, + &props); if (IS_ERR(bd)) { info->bl_dev = NULL; printk(KERN_WARNING "nvidia: Backlight registration failed\n"); @@ -121,7 +125,6 @@ void nvidia_bl_init(struct nvidia_par *par) 0x158 * FB_BACKLIGHT_MAX / MAX_LEVEL, 0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL); - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; bd->props.brightness = bd->props.max_brightness; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c index fcd6a61a91e..59769e85d41 100644 --- a/drivers/video/omap2/displays/panel-taal.c +++ b/drivers/video/omap2/displays/panel-taal.c @@ -486,6 +486,7 @@ static struct attribute_group taal_attr_group = { static int taal_probe(struct omap_dss_device *dssdev) { + struct backlight_properties props; struct taal_data *td; struct backlight_device *bldev; int r; @@ -520,11 +521,16 @@ static int taal_probe(struct omap_dss_device *dssdev) /* if no platform set_backlight() defined, presume DSI backlight * control */ + memset(&props, 0, sizeof(struct backlight_properties)); if (!dssdev->set_backlight) td->use_dsi_bl = true; + if (td->use_dsi_bl) + props.max_brightness = 255; + else + props.max_brightness = 127; bldev = backlight_device_register("taal", &dssdev->dev, dssdev, - &taal_bl_ops); + &taal_bl_ops, &props); if (IS_ERR(bldev)) { r = PTR_ERR(bldev); goto err2; @@ -534,13 +540,10 @@ static int taal_probe(struct omap_dss_device *dssdev) bldev->props.fb_blank = FB_BLANK_UNBLANK; bldev->props.power = FB_BLANK_UNBLANK; - if (td->use_dsi_bl) { - bldev->props.max_brightness = 255; + if (td->use_dsi_bl) bldev->props.brightness = 255; - } else { - bldev->props.max_brightness = 127; + else bldev->props.brightness = 127; - } taal_bl_update_status(bldev); diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c index d94c57ffbdb..618f36bec10 100644 --- a/drivers/video/riva/fbdev.c +++ b/drivers/video/riva/fbdev.c @@ -338,6 +338,7 @@ static struct backlight_ops riva_bl_ops = { static void riva_bl_init(struct riva_par *par) { + struct backlight_properties props; struct fb_info *info = pci_get_drvdata(par->pdev); struct backlight_device *bd; char name[12]; @@ -353,7 +354,10 @@ static void riva_bl_init(struct riva_par *par) snprintf(name, sizeof(name), "rivabl%d", info->node); - bd = backlight_device_register(name, info->dev, par, &riva_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, info->dev, par, &riva_bl_ops, + &props); if (IS_ERR(bd)) { info->bl_dev = NULL; printk(KERN_WARNING "riva: Backlight registration failed\n"); @@ -365,7 +369,6 @@ static void riva_bl_init(struct riva_par *par) MIN_LEVEL * FB_BACKLIGHT_MAX / MAX_LEVEL, FB_BACKLIGHT_MAX); - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; bd->props.brightness = bd->props.max_brightness; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 21cd866d24c..4a3d52e545e 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -103,7 +103,8 @@ static inline void backlight_update_status(struct backlight_device *bd) } extern struct backlight_device *backlight_device_register(const char *name, - struct device *dev, void *devdata, const struct backlight_ops *ops); + struct device *dev, void *devdata, const struct backlight_ops *ops, + const struct backlight_properties *props); extern void backlight_device_unregister(struct backlight_device *bd); extern void backlight_force_update(struct backlight_device *bd, enum backlight_update_reason reason); -- cgit v1.2.3-70-g09d2 From 36bc5ee6a8d13333980fa54e97d3469d3d4cda98 Mon Sep 17 00:00:00 2001 From: Evan McClain Date: Tue, 9 Mar 2010 19:20:58 -0500 Subject: backlight: mbp_nvidia_bl - add five more MacBook variants This adds the MacBook 1,1 2,1 3,1 4,1 and 4,2 to the DMI tables. Signed-off-by: Evan McClain Signed-off-by: Richard Purdie --- drivers/video/backlight/mbp_nvidia_bl.c | 45 +++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) (limited to 'drivers') diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c index 0881358eeac..1b5d3fe6bbb 100644 --- a/drivers/video/backlight/mbp_nvidia_bl.c +++ b/drivers/video/backlight/mbp_nvidia_bl.c @@ -137,6 +137,51 @@ static int mbp_dmi_match(const struct dmi_system_id *id) } static const struct dmi_system_id __initdata mbp_device_table[] = { + { + .callback = mbp_dmi_match, + .ident = "MacBook 1,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBook 2,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBook 3,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook3,1"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBook 4,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4,1"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBook 4,2", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4,2"), + }, + .driver_data = (void *)&intel_chipset_data, + }, { .callback = mbp_dmi_match, .ident = "MacBookPro 3,1", -- cgit v1.2.3-70-g09d2 From f0af78991363d704694a3618b638662c97d8a110 Mon Sep 17 00:00:00 2001 From: Bruno Prémont Date: Fri, 26 Feb 2010 12:59:39 +0100 Subject: backlight: classmate-laptop - Fix missing registration failure handling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Check newly registered backlight_device for error and properly return error to parent. Mark struct backlight_ops as const. Signed-off-by: Bruno Prémont Signed-off-by: Richard Purdie --- drivers/platform/x86/classmate-laptop.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c index 6670ed8f9e5..c696cf1c261 100644 --- a/drivers/platform/x86/classmate-laptop.c +++ b/drivers/platform/x86/classmate-laptop.c @@ -455,7 +455,7 @@ static int cmpc_bl_update_status(struct backlight_device *bd) return -1; } -static struct backlight_ops cmpc_bl_ops = { +static const struct backlight_ops cmpc_bl_ops = { .get_brightness = cmpc_bl_get_brightness, .update_status = cmpc_bl_update_status }; @@ -469,6 +469,8 @@ static int cmpc_bl_add(struct acpi_device *acpi) props.max_brightness = 7; bd = backlight_device_register("cmpc_bl", &acpi->dev, acpi->handle, &cmpc_bl_ops, &props); + if (IS_ERR(bd)) + return PTR_ERR(bd); dev_set_drvdata(&acpi->dev, bd); return 0; } -- cgit v1.2.3-70-g09d2 From fa11de0a33e214a00e205494c27fb5a7bb71a5fa Mon Sep 17 00:00:00 2001 From: Bruno Prémont Date: Fri, 26 Feb 2010 13:04:54 +0100 Subject: backlight: blackfin - Fix missing registration failure handling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Check newly registered backlight_device for error and properly return error to parent Mark struct backlight_ops as const. Signed-off-by: Bruno Prémont Acked-by: Mike Frysinger (constify struct backlight_ops) Signed-off-by: Richard Purdie --- drivers/video/bf54x-lq043fb.c | 10 +++++++++- drivers/video/bfin-t350mcqb-fb.c | 10 +++++++++- 2 files changed, 18 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c index 54df3d44af8..23b2a8c0dbf 100644 --- a/drivers/video/bf54x-lq043fb.c +++ b/drivers/video/bf54x-lq043fb.c @@ -433,7 +433,7 @@ static int bl_get_brightness(struct backlight_device *bd) return 0; } -static struct backlight_ops bfin_lq043fb_bl_ops = { +static const struct backlight_ops bfin_lq043fb_bl_ops = { .get_brightness = bl_get_brightness, }; @@ -650,6 +650,12 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev) props.max_brightness = 255; bl_dev = backlight_device_register("bf54x-bl", NULL, NULL, &bfin_lq043fb_bl_ops, &props); + if (IS_ERR(bl_dev)) { + printk(KERN_ERR DRIVER_NAME + ": unable to register backlight.\n"); + ret = -EINVAL; + goto out9; + } lcd_dev = lcd_device_register(DRIVER_NAME, &pdev->dev, NULL, &bfin_lcd_ops); lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n"); @@ -657,6 +663,8 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev) return 0; +out9: + unregister_framebuffer(fbinfo); out8: free_irq(info->irq, info); out7: diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c index 3a8e811a7e9..31a2dec927b 100644 --- a/drivers/video/bfin-t350mcqb-fb.c +++ b/drivers/video/bfin-t350mcqb-fb.c @@ -352,7 +352,7 @@ static int bl_get_brightness(struct backlight_device *bd) return 0; } -static struct backlight_ops bfin_lq043fb_bl_ops = { +static const struct backlight_ops bfin_lq043fb_bl_ops = { .get_brightness = bl_get_brightness, }; @@ -545,6 +545,12 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev) props.max_brightness = 255; bl_dev = backlight_device_register("bf52x-bl", NULL, NULL, &bfin_lq043fb_bl_ops, &props); + if (IS_ERR(bl_dev)) { + printk(KERN_ERR DRIVER_NAME + ": unable to register backlight.\n"); + ret = -EINVAL; + goto out9; + } lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops); lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n"); @@ -552,6 +558,8 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev) return 0; +out9: + unregister_framebuffer(fbinfo); out8: free_irq(info->irq, info); out7: -- cgit v1.2.3-70-g09d2 From 28d85873cd6d8d3176e30e02b941b1329df1024c Mon Sep 17 00:00:00 2001 From: Bruno Prémont Date: Fri, 26 Feb 2010 13:17:16 +0100 Subject: backlight: msi-laptop, msi-wmi: fix incomplete registration failure handling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Properly return backlight registration error to parent. Mark struct backlight_ops as const. Signed-off-by: Bruno Prémont Reviewed-by: Anisse Astier Signed-off-by: Richard Purdie --- drivers/platform/x86/msi-wmi.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c index fb7ccaae656..367caaae2f3 100644 --- a/drivers/platform/x86/msi-wmi.c +++ b/drivers/platform/x86/msi-wmi.c @@ -138,7 +138,7 @@ static int bl_set_status(struct backlight_device *bd) return msi_wmi_set_block(0, backlight_map[bright]); } -static struct backlight_ops msi_backlight_ops = { +static const struct backlight_ops msi_backlight_ops = { .get_brightness = bl_get, .update_status = bl_set_status, }; @@ -255,8 +255,10 @@ static int __init msi_wmi_init(void) backlight = backlight_device_register(DRV_NAME, NULL, NULL, &msi_backlight_ops, &props); - if (IS_ERR(backlight)) + if (IS_ERR(backlight)) { + err = PTR_ERR(backlight); goto err_free_input; + } err = bl_get(NULL); if (err < 0) -- cgit v1.2.3-70-g09d2 From ec57af9c2ece22ae6234189972105d777ff5f939 Mon Sep 17 00:00:00 2001 From: Bruno Prémont Date: Fri, 26 Feb 2010 13:20:10 +0100 Subject: backlight: panasonic-laptop - Fix incomplete registration failure handling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Properly return backlight registration error to parent. Mark struct backlight_ops as const. Signed-off-by: Bruno Prémont Acked-by: Harald Welte (registration failure) Signed-off-by: Richard Purdie --- drivers/platform/x86/panasonic-laptop.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index ab5c9cea146..726f02affcb 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -352,7 +352,7 @@ static int bl_set_status(struct backlight_device *bd) return acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, bright); } -static struct backlight_ops pcc_backlight_ops = { +static const struct backlight_ops pcc_backlight_ops = { .get_brightness = bl_get, .update_status = bl_set_status, }; @@ -651,8 +651,10 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device) props.max_brightness = pcc->sinf[SINF_AC_MAX_BRIGHT]; pcc->backlight = backlight_device_register("panasonic", NULL, pcc, &pcc_backlight_ops, &props); - if (IS_ERR(pcc->backlight)) + if (IS_ERR(pcc->backlight)) { + result = PTR_ERR(pcc->backlight); goto out_sinf; + } /* read the initial brightness setting from the hardware */ pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT]; -- cgit v1.2.3-70-g09d2