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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>
Bartlomiej Zolnierkiewicz 7 years ago
parent
commit
64f83a816b
1 changed files with 2 additions and 2 deletions
  1. 2 2
      drivers/video/fbdev/ssd1307fb.c

+ 2 - 2
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) {