diff options
| author | Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> | 2010-10-01 16:37:01 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-10-01 16:37:01 -0700 |
| commit | 243e76b426e6e040961b84249b4eaab4ad9fa6dc (patch) | |
| tree | dc774617469dc1ed0789294886260ae32cee4dde /arch/arm/mach-omap1 | |
| parent | 8452e9ef2b08c7bd492194554cdffc67d0b2a51b (diff) | |
OMAP1: Amstrad Delta: add camera controlled LEDS trigger
This patch extends the Amstrad Delta camera support with LEDS trigger that can
be used for automatic control of the on-board camera LED. The led turns on
automatically on camera device open and turns off on camera device close.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap1')
| -rw-r--r-- | arch/arm/mach-omap1/board-ams-delta.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c index 12f7f607ab1..248e8bb64b6 100644 --- a/arch/arm/mach-omap1/board-ams-delta.c +++ b/arch/arm/mach-omap1/board-ams-delta.c @@ -16,6 +16,7 @@ #include <linux/init.h> #include <linux/input.h> #include <linux/interrupt.h> +#include <linux/leds.h> #include <linux/platform_device.h> #include <linux/serial_8250.h> @@ -222,11 +223,30 @@ static struct i2c_board_info ams_delta_camera_board_info[] = { }, }; +#ifdef CONFIG_LEDS_TRIGGERS +DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger); + +static int ams_delta_camera_power(struct device *dev, int power) +{ + /* + * turn on camera LED + */ + if (power) + led_trigger_event(ams_delta_camera_led_trigger, LED_FULL); + else + led_trigger_event(ams_delta_camera_led_trigger, LED_OFF); + return 0; +} +#else +#define ams_delta_camera_power NULL +#endif + static struct soc_camera_link __initdata ams_delta_iclink = { .bus_id = 0, /* OMAP1 SoC camera bus */ .i2c_adapter_id = 1, .board_info = &ams_delta_camera_board_info[0], .module_name = "ov6650", + .power = ams_delta_camera_power, }; static struct platform_device ams_delta_camera_device = { @@ -281,6 +301,10 @@ static void __init ams_delta_init(void) omap1_usb_init(&ams_delta_usb_config); omap1_set_camera_info(&ams_delta_camera_platform_data); +#ifdef CONFIG_LEDS_TRIGGERS + led_trigger_register_simple("ams_delta_camera", + &ams_delta_camera_led_trigger); +#endif platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices)); #ifdef CONFIG_AMS_DELTA_FIQ |