From: Janusz Krzysztofik <[email protected]> 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 <[email protected]> Signed-off-by: Tony Lindgren <[email protected]> --- 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 12f7f60..248e8bb 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 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
