[PATCH -next] ASoC: cs42l52: use DEVICE_ATTR_WO macro

[YueHaibing]

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 at 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)
 {
-- 
2.17.1