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video: fbdev: omapfb: Use sysfs_emit() instead of snprintf()

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Use sysfs_emit() instead of snprintf().

Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Guo Zhengkui 2021-11-19 15:31:26 +08:00 committed by Helge Deller
parent 4f37ea5d0e
commit 0d84dcab5c
1 changed files with 7 additions and 6 deletions
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13
drivers/video/fbdev/omap/omapfb_main.c
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@ -16,6 +16,7 @@
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/module.h>
#include <linux/sysfs.h>
#include <linux/omap-dma.h>
@ -1303,7 +1304,7 @@ static ssize_t omapfb_show_panel_name(struct device *dev,
{
struct omapfb_device *fbdev = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%s\n", fbdev->panel->name);
return sysfs_emit(buf, "%s\n", fbdev->panel->name);
}
static ssize_t omapfb_show_bklight_level(struct device *dev,
@ -1314,8 +1315,8 @@ static ssize_t omapfb_show_bklight_level(struct device *dev,
int r;
if (fbdev->panel->get_bklight_level) {
r = snprintf(buf, PAGE_SIZE, "%d\n",
fbdev->panel->get_bklight_level(fbdev->panel));
r = sysfs_emit(buf, "%d\n",
fbdev->panel->get_bklight_level(fbdev->panel));
} else
r = -ENODEV;
return r;
@ -1348,8 +1349,8 @@ static ssize_t omapfb_show_bklight_max(struct device *dev,
int r;
if (fbdev->panel->get_bklight_level) {
r = snprintf(buf, PAGE_SIZE, "%d\n",
fbdev->panel->get_bklight_max(fbdev->panel));
r = sysfs_emit(buf, "%d\n",
fbdev->panel->get_bklight_max(fbdev->panel));
} else
r = -ENODEV;
return r;
@ -1379,7 +1380,7 @@ static ssize_t omapfb_show_ctrl_name(struct device *dev,
{
struct omapfb_device *fbdev = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%s\n", fbdev->ctrl->name);
return sysfs_emit(buf, "%s\n", fbdev->ctrl->name);
}
static struct device_attribute dev_attr_ctrl_name =