linux-kernel - [PATCH 8/8] fbdev: ssd1307fb: Turn off display on driver unload.

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Message-Id: <1423261694-5939-9-git-send-email-niederp@physik.uni-kl.de>
Date:	Fri,  6 Feb 2015 23:28:14 +0100
From:	niederp@...sik.uni-kl.de
To:	linux-fbdev@...r.kernel.org, plagnioj@...osoft.com,
	tomi.valkeinen@...com, maxime.ripard@...e-electrons.com
Cc:	linux-kernel@...r.kernel.org,
	Thomas Niederprüm <niederp@...sik.uni-kl.de>
Subject: [PATCH 8/8] fbdev: ssd1307fb: Turn off display on driver unload.

From: Thomas Niederprüm <niederp@...sik.uni-kl.de>

Signed-off-by: Thomas Niederprüm <niederp@...sik.uni-kl.de>
---
 drivers/video/fbdev/ssd1307fb.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 02931c7..be91dfc 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -762,6 +762,11 @@ static int ssd1307fb_remove(struct i2c_client *client)
 {
 	struct fb_info *info = i2c_get_clientdata(client);
 	struct ssd1307fb_par *par = info->par;
+	int ret = 0;
+
+	ret = ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_OFF);
+	if (ret < 0)
+		return ret;
 
 	unregister_framebuffer(info);
 	if (par->device_info->device_id == DEVID_SSD1307) {
-- 
2.1.1

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