diff options
| author | Richard Purdie <rpurdie@linux.intel.com> | 2009-02-17 18:04:07 +0300 |
|---|---|---|
| committer | Richard Purdie <rpurdie@linux.intel.com> | 2009-04-06 19:06:26 +0400 |
| commit | defb512d2576992c63ba1c18c24eea31cfeaa26e (patch) | |
| tree | eb2ae7031d62073d452d55192167e66767e99faa | |
| parent | 41c42ff5dbe29b7b826e6736f960959c76e7acf0 (diff) | |
| download | linux-defb512d2576992c63ba1c18c24eea31cfeaa26e.tar.xz | |
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 <robert.jarzmik@free.fr>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
| -rw-r--r-- | drivers/leds/leds-gpio.c | 3 | ||||
| -rw-r--r-- | include/linux/leds.h | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index 0daa2d21cbde..8fa352ac20f8 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 17d277e0c4a6..376fe07732ea 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 { |