diff options
| author | Thomas Niederprüm <niederp@physik.uni-kl.de> | 2015-03-31 20:27:16 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2015-05-27 11:54:39 +0200 |
| commit | 550e768c2a9932e037f2148ecddecd8a5ee0f26e (patch) | |
| tree | ccbeed7669eb5a6fde7d568ef133aef46286dd42 /drivers/video/fbdev/ssd1307fb.c | |
| parent | fbdev: ssd1307fb: add backlight controls for setting the contrast (diff) | |
| download | linux-550e768c2a9932e037f2148ecddecd8a5ee0f26e.tar.xz linux-550e768c2a9932e037f2148ecddecd8a5ee0f26e.zip | |
fbdev: ssd1307fb: Add blank mode
This patch adds ssd1307fb_blank() to make the framebuffer capable
of blanking.
Signed-off-by: Thomas Niederprüm <niederp@physik.uni-kl.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/fbdev/ssd1307fb.c')
| -rw-r--r-- | drivers/video/fbdev/ssd1307fb.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index 77efed7a42a3..8fc224c99032 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -235,6 +235,16 @@ static ssize_t ssd1307fb_write(struct fb_info *info, const char __user *buf, return count; } +static int ssd1307fb_blank(int blank_mode, struct fb_info *info) +{ + struct ssd1307fb_par *par = info->par; + + if (blank_mode != FB_BLANK_UNBLANK) + return ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_OFF); + else + return ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON); +} + static void ssd1307fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { struct ssd1307fb_par *par = info->par; @@ -260,6 +270,7 @@ static struct fb_ops ssd1307fb_ops = { .owner = THIS_MODULE, .fb_read = fb_sys_read, .fb_write = ssd1307fb_write, + .fb_blank = ssd1307fb_blank, .fb_fillrect = ssd1307fb_fillrect, .fb_copyarea = ssd1307fb_copyarea, .fb_imageblit = ssd1307fb_imageblit, |