[PATCH] vesafb: Fix display corruption on display blank

[pandora-kernel.git] / drivers / video / vesafb.c

diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c
index 1ca8026..b1243da 100644 (file)
--- a/drivers/video/vesafb.c
+++ b/drivers/video/vesafb.c
@@ -96,14 +96,14 @@ static int vesafb_blank(int blank, struct fb_info *info)
                int loop = 10000;
                u8 seq = 0, crtc17 = 0;
 
-               err = 0;
-
-               if (blank) {
+               if (blank == FB_BLANK_POWERDOWN) {
                        seq = 0x20;
                        crtc17 = 0x00;
+                       err = 0;
                } else {
                        seq = 0x00;
                        crtc17 = 0x80;
+                       err = (blank == FB_BLANK_UNBLANK) ? 0 : -EINVAL;
                }
 
                vga_wseq(NULL, 0x00, 0x01);