Use DEVICE_ATTR_WO() helper instead of plain DEVICE_ATTR(), which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing yuehaibing@huawei.com --- sound/soc/codecs/wm8962.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 34080f497584..ba16bdf9e478 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -3219,9 +3219,8 @@ static int wm8962_beep_event(struct input_dev *dev, unsigned int type, return 0; }

-static ssize_t wm8962_beep_set(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t beep_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct wm8962_priv *wm8962 = dev_get_drvdata(dev); long int time; @@ -3236,7 +3235,7 @@ static ssize_t wm8962_beep_set(struct device *dev, return count; }

-static DEVICE_ATTR(beep, 0200, NULL, wm8962_beep_set); +static DEVICE_ATTR_WO(beep);

static void wm8962_init_beep(struct snd_soc_component *component) {