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fbdev: sm501fb: Convert sysfs snprintf to sysfs_emit 

Follow the advice of the Documentation/filesystems/sysfs.rst
and show() should only use sysfs_emit() or sysfs_emit_at()
when formatting the value to be returned to user space.

Signed-off-by: Xuezhi Zhang <zhangxuezhi1@coolpad.com>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Xuezhi Zhang 2022-10-18 14:25:48 +08:00 committed by Helge Deller
parent 776d875fd4
commit 9750737130
1 changed files with 1 additions and 1 deletions
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2
drivers/video/fbdev/sm501fb.c
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@ -1166,7 +1166,7 @@ static ssize_t sm501fb_crtsrc_show(struct device *dev,
ctrl = smc501_readl(info->regs + SM501_DC_CRT_CONTROL);
ctrl &= SM501_DC_CRT_CONTROL_SEL;
return snprintf(buf, PAGE_SIZE, "%s\n", ctrl ? "crt" : "panel");
return sysfs_emit(buf, "%s\n", ctrl ? "crt" : "panel");
}
/* sm501fb_crtsrc_show