[PATCH linux-next] backlight: use sysfs_emit() to instead of scnprintf()

[cgel.zte@xxxxxxxxx]

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>
---
 drivers/video/backlight/lm3533_bl.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 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,
-- 
2.25.1