[PATCH v2 5/5] fbdev/ssd1307fb: clear screen in probe
From: Jyri Sarha <hidden>
Date: 2017-01-13 10:35:49
Also in:
linux-devicetree
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
From: Tomi Valkeinen <redacted> SSD1306 does not clear the panel's framebuffer automatically, even if a HW reset happens, so we need to do that at probe time before enabling the panel. Signed-off-by: Tomi Valkeinen <redacted> Signed-off-by: Jyri Sarha <redacted> --- drivers/video/fbdev/ssd1307fb.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 616a6a3..5c87ae4 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c@@ -441,9 +441,8 @@ static int ssd1307fb_init(struct ssd1307fb_par *par) if (ret < 0) return ret; - /* Clear the screen if we could not give reset at probe time */ - if (!par->reset) - ssd1307fb_update_display(par); + /* Clear the screen */ + ssd1307fb_update_display(par); /* Turn on the display */ ret = ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON);
--
1.9.1