linux-kernel - [PATCHv3 10/10] fbdev: ssd1307fb: Turn off display on driver unload.

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Message-Id: <1425939732-18386-11-git-send-email-niederp@physik.uni-kl.de>
Date:	Mon,  9 Mar 2015 23:22:12 +0100
From:	Thomas Niederprüm <niederp@...sik.uni-kl.de>
To:	plagnioj@...osoft.com, tomi.valkeinen@...com,
	maxime.ripard@...e-electrons.com, kernel@...gutronix.de,
	shawn.guo@...aro.org, robh+dt@...nel.org
Cc:	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Thomas Niederprüm <niederp@...sik.uni-kl.de>
Subject: [PATCHv3 10/10] fbdev: ssd1307fb: Turn off display on driver unload.

This patch turns off the display when the driver is unloaded.

Signed-off-by: Thomas Niederprüm <niederp@...sik.uni-kl.de>
Acked-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 drivers/video/fbdev/ssd1307fb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index fee6324..5efed67 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -726,6 +726,8 @@ static int ssd1307fb_remove(struct i2c_client *client)
 	struct fb_info *info = i2c_get_clientdata(client);
 	struct ssd1307fb_par *par = info->par;
 
+	ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_OFF);
+
 	unregister_framebuffer(info);
 	if (par->device_info->device_id == DEVID_SSD1307) {
 		pwm_disable(par->pwm);
-- 
2.3.0

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