atmel_lcdfb: add fb_blank function

Signed-off-by: Andreas Bießmann <biessmann@corscience.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 16da8af..59654e2 100644 (file)
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -714,11 +714,35 @@ static int atmel_lcdfb_pan_display(struct fb_var_screeninfo *var,
        return 0;
 }
 
+static int atmel_lcdfb_blank(int blank_mode, struct fb_info *info)
+{
+       struct atmel_lcdfb_info *sinfo = info->par;
+
+       switch (blank_mode) {
+       case FB_BLANK_UNBLANK:
+       case FB_BLANK_NORMAL:
+               atmel_lcdfb_start(sinfo);
+               break;
+       case FB_BLANK_VSYNC_SUSPEND:
+       case FB_BLANK_HSYNC_SUSPEND:
+               break;
+       case FB_BLANK_POWERDOWN:
+               atmel_lcdfb_stop(sinfo);
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       /* let fbcon do a soft blank for us */
+       return ((blank_mode == FB_BLANK_NORMAL) ? 1 : 0);
+}
+
 static struct fb_ops atmel_lcdfb_ops = {
        .owner          = THIS_MODULE,
        .fb_check_var   = atmel_lcdfb_check_var,
        .fb_set_par     = atmel_lcdfb_set_par,
        .fb_setcolreg   = atmel_lcdfb_setcolreg,
+       .fb_blank       = atmel_lcdfb_blank,
        .fb_pan_display = atmel_lcdfb_pan_display,
        .fb_fillrect    = cfb_fillrect,
        .fb_copyarea    = cfb_copyarea,