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fbdev: ssd1307fb: Add blank mode

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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>
This commit is contained in:
Thomas Niederprüm 2015-03-31 20:27:16 +02:00 committed by Tomi Valkeinen
parent 6ed5e2db52
commit 550e768c2a
1 changed files with 11 additions and 0 deletions
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11
drivers/video/fbdev/ssd1307fb.c
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@ -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,