| From | Thomas Niederprüm <> | Subject | [PATCHv4 10/10] fbdev: ssd1307fb: Add blank mode | Date | Mon, 16 Mar 2015 18:11:58 +0100 |
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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> --- drivers/video/fbdev/ssd1307fb.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index 4ebfcaf..9271bba 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -241,6 +241,18 @@ 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; + int ret; + + if (blank_mode != FB_BLANK_UNBLANK) + ret = ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_OFF); + else + ret = ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON); + return ret; +} + static void ssd1307fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { struct ssd1307fb_par *par = info->par; @@ -266,6 +278,7 @@ 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, -- 2.3.0
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