[PATCH 1/1] media: exynos4-is: use DEVICE_ATTR_RW() helper macro
From: Zhen Lei <hidden>
Date: 2021-06-03 07:06:23
Also in:
linux-media, linux-samsung-soc
Subsystem:
media input infrastructure (v4l/dvb), the rest · Maintainers:
Mauro Carvalho Chehab, Linus Torvalds
Use DEVICE_ATTR_RW() helper macro instead of DEVICE_ATTR(), which is simpler and more readable. Due to the names of the read and write functions of the sysfs attribute is normalized, there is a natural association. Signed-off-by: Zhen Lei <redacted> --- drivers/media/platform/exynos4-is/media-dev.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index 3b8a24bb724c8e9..fa648721eaab9a5 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c@@ -1238,8 +1238,8 @@ static const struct media_device_ops fimc_md_ops = { .link_notify = fimc_md_link_notify, }; -static ssize_t fimc_md_sysfs_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t subdev_conf_mode_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct fimc_md *fmd = dev_get_drvdata(dev);
@@ -1249,9 +1249,9 @@ static ssize_t fimc_md_sysfs_show(struct device *dev, return strscpy(buf, "V4L2 video node only API (vid-dev)\n", PAGE_SIZE); } -static ssize_t fimc_md_sysfs_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t subdev_conf_mode_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { struct fimc_md *fmd = dev_get_drvdata(dev); bool subdev_api;
@@ -1278,8 +1278,7 @@ static ssize_t fimc_md_sysfs_store(struct device *dev, * sub-dev - for media controller API, subdevs must be configured in user * space before starting streaming. */ -static DEVICE_ATTR(subdev_conf_mode, S_IWUSR | S_IRUGO, - fimc_md_sysfs_show, fimc_md_sysfs_store); +static DEVICE_ATTR_RW(subdev_conf_mode); static int cam_clk_prepare(struct clk_hw *hw) {
--
2.26.0.106.g9fadedd
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