Hey Thomas,
On 24-03-15 22:23, Thomas Niederprüm wrote:
This patch adds ssd1307fb_blank() to make the framebuffer capable
of blanking.
Signed-off-by: Thomas Niederprüm <nied...@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 061cc95..9101b27 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -238,6 +238,18 @@ 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);
I'd probably add an extra return, or drop the ret var at all and just
return the function.
or even shorter :)
return sd1307fb_write_cmd(par->client, (blank_mode != FB_BLANK_UNBLANK)
? SSD1307FB_DISPLAY_OFF : SSD1307FB_DISPLAY_ON;
Olliver
+ return ret;
+}
+
static void ssd1307fb_fillrect(struct fb_info *info, const struct fb_fillrect
*rect)
{
struct ssd1307fb_par *par = info->par;
@@ -263,6 +275,7 @@ 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,
--
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