OMAP: DSS2: OMAPFB: add support for FBIO_WAITFORVSYNC

[pandora-kernel.git] / drivers / video / omap2 / omapfb / omapfb-ioctl.c

diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
index 994f6a0..6f43545 100644 (file)
--- a/drivers/video/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -610,6 +610,7 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
                struct omapfb_vram_info         vram_info;
                struct omapfb_tearsync_info     tearsync_info;
                struct omapfb_display_info      display_info;
+               u32                             crt;
        } p;
 
        int r = 0;
@@ -768,6 +769,17 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
                        r = -EFAULT;
                break;
 
+       case FBIO_WAITFORVSYNC:
+               if (get_user(p.crt, (__u32 __user *)arg)) {
+                       r = -EFAULT;
+                       break;
+               }
+               if (p.crt != 0) {
+                       r = -ENODEV;
+                       break;
+               }
+               /* FALLTHROUGH */
+
        case OMAPFB_WAITFORVSYNC:
                DBG("ioctl WAITFORVSYNC\n");
                if (!display) {