From: ye xingchen <ye.xingchen@xxxxxxxxxx> Replace the open-code with sysfs_emit() to simplify the code. Signed-off-by: ye xingchen <ye.xingchen@xxxxxxxxxx> --- v1 -> v2 Add the rest of this fixes for this pattern in the 'drivers/video/backlight' directory. drivers/video/backlight/lm3533_bl.c | 10 +++++----- drivers/video/backlight/lp855x_bl.c | 4 ++-- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c index 1df1b6643c0b..5e2ce9285245 100644 --- a/drivers/video/backlight/lm3533_bl.c +++ b/drivers/video/backlight/lm3533_bl.c @@ -66,7 +66,7 @@ static ssize_t show_id(struct device *dev, { struct lm3533_bl *bl = dev_get_drvdata(dev); - return scnprintf(buf, PAGE_SIZE, "%d\n", bl->id); + return sysfs_emit(buf, "%d\n", bl->id); } static ssize_t show_als_channel(struct device *dev, @@ -75,7 +75,7 @@ static ssize_t show_als_channel(struct device *dev, struct lm3533_bl *bl = dev_get_drvdata(dev); unsigned channel = lm3533_bl_get_ctrlbank_id(bl); - return scnprintf(buf, PAGE_SIZE, "%u\n", channel); + return sysfs_emit(buf, "%u\n", channel); } static ssize_t show_als_en(struct device *dev, @@ -95,7 +95,7 @@ static ssize_t show_als_en(struct device *dev, mask = 1 << (2 * ctrlbank); enable = val & mask; - return scnprintf(buf, PAGE_SIZE, "%d\n", enable); + return sysfs_emit(buf, "%d\n", enable); } static ssize_t store_als_en(struct device *dev, @@ -147,7 +147,7 @@ static ssize_t show_linear(struct device *dev, else linear = 0; - return scnprintf(buf, PAGE_SIZE, "%x\n", linear); + return sysfs_emit(buf, "%x\n", linear); } static ssize_t store_linear(struct device *dev, @@ -190,7 +190,7 @@ static ssize_t show_pwm(struct device *dev, if (ret) return ret; - return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static ssize_t store_pwm(struct device *dev, diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index bd0bdeae23a4..fafc1a9e76ef 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -293,7 +293,7 @@ static ssize_t lp855x_get_chip_id(struct device *dev, { struct lp855x *lp = dev_get_drvdata(dev); - return scnprintf(buf, PAGE_SIZE, "%s\n", lp->chipname); + return sysfs_emit(buf, "%s\n", lp->chipname); } static ssize_t lp855x_get_bl_ctl_mode(struct device *dev, @@ -307,7 +307,7 @@ static ssize_t lp855x_get_bl_ctl_mode(struct device *dev, else if (lp->mode == REGISTER_BASED) strmode = "register based"; - return scnprintf(buf, PAGE_SIZE, "%s\n", strmode); + return sysfs_emit(buf, "%s\n", strmode); } static DEVICE_ATTR(chip_id, S_IRUGO, lp855x_get_chip_id, NULL); -- 2.25.1