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From: Guo Zhengkui <guozhengkui@vivo.com>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>,
	Sam Ravnborg <sam@ravnborg.org>,
	Guo Zhengkui <guozhengkui@vivo.com>,
	linux-fbdev@vger.kernel.org, linux-omap@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Cc: kernel@vivo.com
Subject: [PATCH] video: omapfb: Use sysfs_emit() instead of snprintf()
Date: Fri, 19 Nov 2021 15:31:26 +0800	[thread overview]
Message-ID: <20211119073139.18832-1-guozhengkui@vivo.com> (raw)

Use sysfs_emit() instead of snprintf().

Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
---
 drivers/video/fbdev/omap/omapfb_main.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c
index b495c09e6102..083388a4ceeb 100644
--- a/drivers/video/fbdev/omap/omapfb_main.c
+++ b/drivers/video/fbdev/omap/omapfb_main.c
@@ -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 =
-- 
2.20.1


                 reply	other threads:[~2021-11-19  7:33 UTC|newest]

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