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/cs42l52.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c index 88547e2cd53d..80161151b3f2 100644 --- a/sound/soc/codecs/cs42l52.c +++ b/sound/soc/codecs/cs42l52.c @@ -957,9 +957,8 @@ static int cs42l52_beep_event(struct input_dev *dev, unsigned int type, return 0; }

-static ssize_t cs42l52_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 cs42l52_private *cs42l52 = dev_get_drvdata(dev); long int time; @@ -974,7 +973,7 @@ static ssize_t cs42l52_beep_set(struct device *dev, return count; }

-static DEVICE_ATTR(beep, 0200, NULL, cs42l52_beep_set); +static DEVICE_ATTR_WO(beep);

static void cs42l52_init_beep(struct snd_soc_component *component) {