linux-kernel - [PATCH -next] ASoC: cs43130: Use DEVICE_ATTR

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Message-ID: <20210524114017.18672-1-yuehaibing@huawei.com>
Date:   Mon, 24 May 2021 19:40:17 +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: cs43130: 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/codecs/cs43130.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/sound/soc/codecs/cs43130.c b/sound/soc/codecs/cs43130.c
index de7fa3e4bfbb..44b20c1ef851 100644
--- a/sound/soc/codecs/cs43130.c
+++ b/sound/soc/codecs/cs43130.c
@@ -1672,14 +1672,14 @@ static int cs43130_show_dc(struct device *dev, char *buf, u8 ch)
 				 cs43130->hpload_dc[ch]);
 }
 
-static ssize_t cs43130_show_dc_l(struct device *dev,
-				 struct device_attribute *attr, char *buf)
+static ssize_t hpload_dc_l_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
 {
 	return cs43130_show_dc(dev, buf, HP_LEFT);
 }
 
-static ssize_t cs43130_show_dc_r(struct device *dev,
-				 struct device_attribute *attr, char *buf)
+static ssize_t hpload_dc_r_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
 {
 	return cs43130_show_dc(dev, buf, HP_RIGHT);
 }
@@ -1719,22 +1719,22 @@ static int cs43130_show_ac(struct device *dev, char *buf, u8 ch)
 	}
 }
 
-static ssize_t cs43130_show_ac_l(struct device *dev,
-				 struct device_attribute *attr, char *buf)
+static ssize_t hpload_ac_l_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
 {
 	return cs43130_show_ac(dev, buf, HP_LEFT);
 }
 
-static ssize_t cs43130_show_ac_r(struct device *dev,
-				 struct device_attribute *attr, char *buf)
+static ssize_t hpload_ac_r_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
 {
 	return cs43130_show_ac(dev, buf, HP_RIGHT);
 }
 
-static DEVICE_ATTR(hpload_dc_l, 0444, cs43130_show_dc_l, NULL);
-static DEVICE_ATTR(hpload_dc_r, 0444, cs43130_show_dc_r, NULL);
-static DEVICE_ATTR(hpload_ac_l, 0444, cs43130_show_ac_l, NULL);
-static DEVICE_ATTR(hpload_ac_r, 0444, cs43130_show_ac_r, NULL);
+static DEVICE_ATTR_RO(hpload_dc_l);
+static DEVICE_ATTR_RO(hpload_dc_r);
+static DEVICE_ATTR_RO(hpload_ac_l);
+static DEVICE_ATTR_RO(hpload_ac_r);
 
 static struct attribute *hpload_attrs[] = {
 	&dev_attr_hpload_dc_l.attr,
-- 
2.17.1