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| author |   Julian Scheel <julian@jusst.de> | 2016-03-24 22:14:23 +0100 |
|---|---|---|
| committer |   Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-05-10 13:29:36 +0300 |
| commit | 80403b232b7af033bb5a2043fc4d60f16e46519f (patch) | |
| tree | 74ae6b8794e20718074e66cb6a6bf18aeb1a54c7 /drivers/video | |
| parent | Documentation: fb: fix spelling mistakes (diff) | |
| download | linux-dev-80403b232b7af033bb5a2043fc4d60f16e46519f.tar.xz linux-dev-80403b232b7af033bb5a2043fc4d60f16e46519f.zip | |
fbdev: ssd1307fb: Fix charge pump setting
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>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/ssd1307fb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index fa3480815cdb..21dafe53ca49 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -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; |