linux-kernel - [PATCH -next] ASoC: soc-core: use DEVICE_ATTR

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Message-ID: <20210514081100.16196-1-yuehaibing@huawei.com>
Date:   Fri, 14 May 2021 16:11:00 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <lgirdwood@...il.com>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>, <kuninori.morimoto.gx@...esas.com>
CC:     <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] ASoC: soc-core: use DEVICE_ATTR_RO macro

Use DEVICE_ATTR_RO 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/soc-core.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 1c0904acb935..2d969e31f37d 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -75,9 +75,9 @@ static ssize_t pmdown_time_show(struct device *dev,
 	return sprintf(buf, "%ld\n", rtd->pmdown_time);
 }
 
-static ssize_t pmdown_time_set(struct device *dev,
-			       struct device_attribute *attr,
-			       const char *buf, size_t count)
+static ssize_t pmdown_time_store(struct device *dev,
+				 struct device_attribute *attr,
+				 const char *buf, size_t count)
 {
 	struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
 	int ret;
@@ -89,7 +89,7 @@ static ssize_t pmdown_time_set(struct device *dev,
 	return count;
 }
 
-static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set);
+static DEVICE_ATTR_RW(pmdown_time);
 
 static struct attribute *soc_dev_attrs[] = {
 	&dev_attr_pmdown_time.attr,
-- 
2.17.1