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 <[email protected]> CC: Richard Purdie <[email protected]> CC: Jacek Anaszewski <[email protected]> CC: [email protected] CC: [email protected] Signed-off-by: Stas Sergeev <[email protected]> --- drivers/leds/leds-ot200.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/leds/leds-ot200.c b/drivers/leds/leds-ot200.c index 39870de..d357c14 100644 --- a/drivers/leds/leds-ot200.c +++ b/drivers/leds/leds-ot200.c @@ -123,6 +123,7 @@ static int ot200_led_probe(struct platform_device *pdev) leds[i].cdev.name = leds[i].name; leds[i].cdev.brightness_set = ot200_led_brightness_set; + leds[i].cdev.flags |= LED_BRIGHTNESS_FAST; ret = led_classdev_register(&pdev->dev, &leds[i].cdev); if (ret < 0) -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-leds" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
