linux-kernel - [PATCH -next] ASoC: cs42l56: use DEVICE_ATTR

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Date:   Mon, 24 May 2021 19:45:03 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <james.schulman@...rus.com>, <david.rhodes@...rus.com>,
        <lgirdwood@...il.com>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>
CC:     <alsa-devel@...a-project.org>, <patches@...nsource.cirrus.com>,
        <linux-kernel@...r.kernel.org>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] ASoC: cs42l56: 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@...wei.com>
---
 sound/soc/codecs/cs42l56.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/cs42l56.c b/sound/soc/codecs/cs42l56.c
index 7cdffdf6b8cf..3cf8a0b4478c 100644
--- a/sound/soc/codecs/cs42l56.c
+++ b/sound/soc/codecs/cs42l56.c
@@ -1021,9 +1021,8 @@ static int cs42l56_beep_event(struct input_dev *dev, unsigned int type,
 	return 0;
 }
 
-static ssize_t cs42l56_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 cs42l56_private *cs42l56 = dev_get_drvdata(dev);
 	long int time;
@@ -1038,7 +1037,7 @@ static ssize_t cs42l56_beep_set(struct device *dev,
 	return count;
 }
 
-static DEVICE_ATTR(beep, 0200, NULL, cs42l56_beep_set);
+static DEVICE_ATTR_WO(beep);
 
 static void cs42l56_init_beep(struct snd_soc_component *component)
 {
-- 
2.17.1