diff --git a/drivers/input/touchscreen/stmfts.c b/drivers/input/touchscreen/stmfts.c index 704e99046916..b6f95f20f924 100644 --- a/drivers/input/touchscreen/stmfts.c +++ b/drivers/input/touchscreen/stmfts.c @@ -106,27 +106,29 @@ struct stmfts_data { bool running; }; -static void stmfts_brightness_set(struct led_classdev *led_cdev, +static int stmfts_brightness_set(struct led_classdev *led_cdev, enum led_brightness value) { struct stmfts_data *sdata = container_of(led_cdev, struct stmfts_data, led_cdev); int err; - if (value == sdata->led_status || !sdata->ledvdd) - return; - - if (!value) { - regulator_disable(sdata->ledvdd); - } else { - err = regulator_enable(sdata->ledvdd); - if (err) - dev_warn(&sdata->client->dev, - "failed to disable ledvdd regulator: %d\n", - err); + if (value != sdata->led_status && sdata->ledvdd) { + if (!value) { + regulator_disable(sdata->ledvdd); + } else { + err = regulator_enable(sdata->ledvdd); + if (err) { + dev_warn(&sdata->client->dev, + "failed to disable ledvdd regulator: %d\n", + err); + return err; + } + } + sdata->led_status = value; } - sdata->led_status = value; + return 0; } static enum led_brightness stmfts_brightness_get(struct led_classdev *led_cdev) @@ -608,7 +610,7 @@ static int stmfts_enable_led(struct stmfts_data *sdata) sdata->led_cdev.name = STMFTS_DEV_NAME; sdata->led_cdev.max_brightness = LED_ON; sdata->led_cdev.brightness = LED_OFF; - sdata->led_cdev.brightness_set = stmfts_brightness_set; + sdata->led_cdev.brightness_set_blocking = stmfts_brightness_set; sdata->led_cdev.brightness_get = stmfts_brightness_get; err = devm_led_classdev_register(&sdata->client->dev, &sdata->led_cdev);