From defb512d2576992c63ba1c18c24eea31cfeaa26e Mon Sep 17 00:00:00 2001 From: Richard Purdie Date: Tue, 17 Feb 2009 15:04:07 +0000 Subject: leds: Add suspend/resume state flags to leds-gpio Add an option to preserve LED state when suspending/resuming to the LED gpio driver. Based on a suggestion from Robert Jarzmik. Tested-by: Robert Jarzmik Signed-off-by: Richard Purdie diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index 0daa2d2..8fa352a 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -93,7 +93,8 @@ static int __devinit create_gpio_led(const struct gpio_led *template, } led_dat->cdev.brightness_set = gpio_led_set; led_dat->cdev.brightness = LED_OFF; - led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; + if (!template->retain_state_suspended) + led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; ret = gpio_direction_output(led_dat->gpio, led_dat->active_low); if (ret < 0) diff --git a/include/linux/leds.h b/include/linux/leds.h index 17d277e..376fe07 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -141,7 +141,8 @@ struct gpio_led { const char *name; const char *default_trigger; unsigned gpio; - u8 active_low; + u8 active_low : 1; + u8 retain_state_suspended : 1; }; struct gpio_led_platform_data { -- cgit v0.10.2