ASoC: cs42l52: use DEVICE_ATTR_WO macro

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>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Message-Id: <20210524114239.7960-1-yuehaibing@huawei.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 88547e2..8016115 100644 (file)
--- 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)
 {