Commit 6e376822 authored Feb 08, 2017 by Tomi Valkeinen Committed by Bartlomiej Zolnierkiewicz Feb 08, 2017

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: Benoît 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>

parent ba14301e

drivers/video/fbdev/ssd1307fb.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -441,8 +441,7 @@ 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)
		/* Clear the screen */
		ssd1307fb_update_display(par);

		/* Turn on the display */