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fbdev: ssd1307fb: Fix charge pump setting

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Make sure bit 4 is set for the charge pump setting. It is required according
to SSD1306 App Note.

Signed-off-by: Julian Scheel <julian@jusst.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Julian Scheel 2016-03-24 22:14:23 +01:00 committed by Tomi Valkeinen
parent ad6a2d0f8d
commit 80403b232b
1 changed files with 1 additions and 1 deletions
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2
drivers/video/fbdev/ssd1307fb.c
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@ -389,7 +389,7 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
return ret;
ret = ssd1307fb_write_cmd(par->client,
(par->device_info->need_chargepump & 0x1 << 2) & 0x14);
BIT(4) | (par->device_info->need_chargepump ? BIT(2) : 0));
if (ret < 0)
return ret;