This driver doesn't use sleeping operations in .brightness_set method, and can be marked with LED_BRIGHTNESS_FAST flag. That flag allows changing brightness at high rates (over 100Hz). CC: Bryan Wu <cooloney@xxxxxxxxx> CC: Richard Purdie <rpurdie@xxxxxxxxx> CC: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx> CC: linux-leds@xxxxxxxxxxxxxxx CC: linux-kernel@xxxxxxxxxxxxxxx Signed-off-by: Stas Sergeev <stsp@xxxxxxxxxxxxxxxxxxxxx> --- drivers/leds/leds-locomo.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/leds/leds-locomo.c b/drivers/leds/leds-locomo.c index 80ba048..0eb69c3 100644 --- a/drivers/leds/leds-locomo.c +++ b/drivers/leds/leds-locomo.c @@ -47,12 +47,14 @@ static struct led_classdev locomo_led0 = { .name = "locomo:amber:charge", .default_trigger = "main-battery-charging", .brightness_set = locomoled_brightness_set0, + .flags = LED_BRIGHTNESS_FAST, }; static struct led_classdev locomo_led1 = { .name = "locomo:green:mail", .default_trigger = "nand-disk", .brightness_set = locomoled_brightness_set1, + .flags = LED_BRIGHTNESS_FAST, }; static int locomoled_probe(struct locomo_dev *ldev) -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-leds" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html