lkml.org 
[lkml]   [2015]   [Mar]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCHv6 10/10] fbdev: ssd1307fb: Add blank mode
Date
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 | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 77efed7..8fc224c 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,
--
2.3.0


\
 
 \ /
  Last update: 2015-03-31 21:01    [W:0.550 / U:16.664 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site