Revert "video: ssd1307fb: Do not hard code active-low reset sequence"

bzolnier · bzolnier · commit 64f83a816b27 · 2018-10-09T15:18:42.000+02:00
This reverts commit 9827f26. 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>
diff --git 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) {
