diff options
| -rw-r--r-- | drivers/platform/x86/asus-laptop.c | 69 |
1 files changed, 30 insertions, 39 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 2505f15cbe6..4ff30ca4df1 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -202,30 +202,24 @@ ASUS_HANDLE(kled_get, ASUS_LAPTOP_PREFIX "GLKB"); struct asus_laptop { char *name; /* laptop name */ + struct acpi_table_header *dsdt_info; struct platform_device *platform_device; - struct acpi_device *device; /* the device we are in */ + struct acpi_device *device; /* the device we are in */ + struct backlight_device *backlight_device; + struct input_dev *inputdev; + acpi_handle handle; /* the handle of the hotk device */ char status; /* status of the hotk, for LEDs, ... */ u32 ledd_status; /* status of the LED display */ u8 light_level; /* light sensor level */ u8 light_switch; /* light sensor switch value */ u16 event_count[128]; /* count for each event TODO make this better */ - struct input_dev *inputdev; u16 *keycode_map; }; -/* - * This header is made available to allow proper configuration given model, - * revision number , ... this info cannot go in struct asus_laptop because it is - * available before the hotk - */ -static struct acpi_table_header *asus_info; - -/* The actual device the driver binds to */ static struct asus_laptop *asus; -/* The backlight device /sys/class/backlight */ -static struct backlight_device *asus_backlight_device; +static struct workqueue_struct *led_workqueue; /* * The backlight class declaration @@ -237,14 +231,6 @@ static struct backlight_ops asusbl_ops = { .update_status = update_bl_status, }; -/* - * These functions actually update the LED's, and are called from a - * workqueue. By doing this as separate work rather than when the LED - * subsystem asks, we avoid messing with the Asus ACPI stuff during a - * potentially bad time, such as a timer interrupt. - */ -static struct workqueue_struct *led_workqueue; - #define ASUS_LED(object, ledname, max) \ static void object##_led_set(struct led_classdev *led_cdev, \ enum led_brightness value); \ @@ -522,7 +508,7 @@ static int set_lcd_state(int value) static void lcd_blank(int blank) { - struct backlight_device *bd = asus_backlight_device; + struct backlight_device *bd = asus->backlight_device; if (bd) { bd->props.power = blank; @@ -619,22 +605,22 @@ static ssize_t show_infos(struct device *dev, if (!ACPI_FAILURE(rv)) len += sprintf(page + len, "ASYM value : %#x\n", (uint) temp); - if (asus_info) { - snprintf(buf, 16, "%d", asus_info->length); + if (asus->dsdt_info) { + snprintf(buf, 16, "%d", asus->dsdt_info->length); len += sprintf(page + len, "DSDT length : %s\n", buf); - snprintf(buf, 16, "%d", asus_info->checksum); + snprintf(buf, 16, "%d", asus->dsdt_info->checksum); len += sprintf(page + len, "DSDT checksum : %s\n", buf); - snprintf(buf, 16, "%d", asus_info->revision); + snprintf(buf, 16, "%d", asus->dsdt_info->revision); len += sprintf(page + len, "DSDT revision : %s\n", buf); - snprintf(buf, 7, "%s", asus_info->oem_id); + snprintf(buf, 7, "%s", asus->dsdt_info->oem_id); len += sprintf(page + len, "OEM id : %s\n", buf); - snprintf(buf, 9, "%s", asus_info->oem_table_id); + snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id); len += sprintf(page + len, "OEM table id : %s\n", buf); - snprintf(buf, 16, "%x", asus_info->oem_revision); + snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision); len += sprintf(page + len, "OEM revision : 0x%s\n", buf); - snprintf(buf, 5, "%s", asus_info->asl_compiler_id); + snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id); len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); - snprintf(buf, 16, "%x", asus_info->asl_compiler_revision); + snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision); len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); } @@ -1084,7 +1070,7 @@ static int asus_handle_init(char *name, acpi_handle * handle, * method, we can make all the detection we want, and modify the asus_laptop * struct */ -static int asus_laptop_get_info(void) +static int asus_laptop_get_info(struct asus_laptop *asus) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *model = NULL; @@ -1097,10 +1083,9 @@ static int asus_laptop_get_info(void) * models, but late enough to allow acpi_bus_register_driver() to fail * before doing anything ACPI-specific. Should we encounter a machine, * which needs special handling (i.e. its hotkey device has a different - * HID), this bit will be moved. A global variable asus_info contains - * the DSDT header. + * HID), this bit will be moved. */ - status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info); + status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info); if (ACPI_FAILURE(status)) pr_warning("Couldn't get the DSDT table header\n"); @@ -1237,8 +1222,8 @@ static int asus_input_init(struct device *dev) static void asus_backlight_exit(void) { - if (asus_backlight_device) - backlight_device_unregister(asus_backlight_device); + if (asus->backlight_device) + backlight_device_unregister(asus->backlight_device); } #define ASUS_LED_UNREGISTER(object) \ @@ -1271,11 +1256,11 @@ static int asus_backlight_init(struct device *dev) NULL, &asusbl_ops); if (IS_ERR(bd)) { pr_err("Could not register asus backlight device\n"); - asus_backlight_device = NULL; + asus->backlight_device = NULL; return PTR_ERR(bd); } - asus_backlight_device = bd; + asus->backlight_device = bd; bd->props.max_brightness = 15; bd->props.brightness = read_brightness(NULL); @@ -1326,6 +1311,12 @@ static int asus_led_init(struct device *dev) if (rv) goto out5; + /* + * Functions that actually update the LED's are called from a + * workqueue. By doing this as separate work rather than when the LED + * subsystem asks, we avoid messing with the Asus ACPI stuff during a + * potentially bad time, such as a timer interrupt. + */ led_workqueue = create_singlethread_workqueue("led_workqueue"); if (!led_workqueue) goto out6; @@ -1363,7 +1354,7 @@ static int __devinit asus_acpi_init(struct acpi_device *device) return -ENODEV; } - result = asus_laptop_get_info(); + result = asus_laptop_get_info(asus); if (result) return result; |