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authorBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2018-10-09 15:18:42 +0200
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2018-10-09 15:18:42 +0200
commit64f83a816b27c7b5e026a74ecb5c61dbabfae997 (patch)
treebb688a9fb7002d4aa8307a4106ce384c4d6597a7 /drivers/video
parent97037597d6702f4446dd79af8bdb6959a35586b8 (diff)
downloadlinux-64f83a816b27c7b5e026a74ecb5c61dbabfae997.tar.gz
Revert "video: ssd1307fb: Do not hard code active-low reset sequence"
This reverts commit 9827f26374fb85e1811f2adbcc25c8a3992dbe7f.

On 10/09/2018 02:20 AM, Shawn Guo wrote:

> Well, it means the change breaks the ABI between kernel and device tree,
> e.g. the new kernel will not work with existing/installed DTBs.

Revert the change until DTB compatibility issue is resolved.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbdev/ssd1307fb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 3b361bc9feb8..4061a20cfe24 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -667,10 +667,10 @@ static int ssd1307fb_probe(struct i2c_client *client,
 
 	if (par->reset) {
 		/* Reset the screen */
-		gpiod_set_value_cansleep(par->reset, 1);
-		udelay(4);
 		gpiod_set_value_cansleep(par->reset, 0);
 		udelay(4);
+		gpiod_set_value_cansleep(par->reset, 1);
+		udelay(4);
 	}
 
 	if (par->vbat_reg) {