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authorTomi Valkeinen <tomi.valkeinen@ti.com>2017-02-08 16:44:00 +0100
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2017-02-08 16:44:00 +0100
commit6e376822ee9e06c5fa81424c8cf9218abfabefff (patch)
tree3044e238c9d0a0d63f39b847dc9781acab3bb2a3 /drivers/video
parentba14301e0356c99803e07db60e129a2ca9e50ff0 (diff)
downloadlinux-6e376822ee9e06c5fa81424c8cf9218abfabefff.tar.bz2
fbdev/ssd1307fb: clear screen in probe
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. Cc: Rob Herring <robh+dt@kernel.org> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: BenoƮt Cousson <bcousson@baylibre.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbdev/ssd1307fb.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 616a6a3fabf9..5c87ae4bac6a 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);