[PATCH] staging: fbtft: convert sysfs snprintf to sysfs_emit

[Carlis]

From: Xuezhi Zhang <zhangxuezhi1 at yulong.com>

Fix the following coccicheck warning:
drivers/staging/fbtft//fbtft-sysfs.c:202:8-16: 
WARNING: use scnprintf or sprintf

Signed-off-by: Xuezhi Zhang <zhangxuezhi1 at yulong.com>
---
 drivers/staging/fbtft/fbtft-sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/fbtft/fbtft-sysfs.c b/drivers/staging/fbtft/fbtft-sysfs.c
index 26e52cc2d..39e8d2806 100644
--- a/drivers/staging/fbtft/fbtft-sysfs.c
+++ b/drivers/staging/fbtft/fbtft-sysfs.c
@@ -199,7 +199,7 @@ static ssize_t show_debug(struct device *device,
 	struct fb_info *fb_info = dev_get_drvdata(device);
 	struct fbtft_par *par = fb_info->par;
 
-	return snprintf(buf, PAGE_SIZE, "%lu\n", par->debug);
+	return sysfs_emit(buf, "%lu\n", par->debug);
 }
 
 static struct device_attribute debug_device_attr =
-- 
2.25.1