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media: i2c: et8ek8: use DEVICE_ATTR_RO() helper macro

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Use DEVICE_ATTR_RO() helper macro instead of DEVICE_ATTR(), which is
simpler and more readable.

Due to the name of the read function of the sysfs attribute is normalized,
there is a natural association.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Zhen Lei 2021-06-03 09:15:29 +02:00 committed by Mauro Carvalho Chehab
parent 7b537f290a
commit 5fca4169f5
1 changed files with 2 additions and 3 deletions
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5
drivers/media/i2c/et8ek8/et8ek8_driver.c
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@ -1237,8 +1237,7 @@ out_poweroff:
* sysfs attributes
*/
static ssize_t
et8ek8_priv_mem_read(struct device *dev, struct device_attribute *attr,
char *buf)
priv_mem_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct v4l2_subdev *subdev = dev_get_drvdata(dev);
struct et8ek8_sensor *sensor = to_et8ek8_sensor(subdev);
@ -1251,7 +1250,7 @@ et8ek8_priv_mem_read(struct device *dev, struct device_attribute *attr,
return ET8EK8_PRIV_MEM_SIZE;
}
static DEVICE_ATTR(priv_mem, 0444, et8ek8_priv_mem_read, NULL);
static DEVICE_ATTR_RO(priv_mem);
/* --------------------------------------------------------------------------
* V4L2 subdev core operations