DSS2: 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 79d8916..c893fc9 100644 (file)
--- a/drivers/video/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -450,6 +450,7 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
                enum omapfb_update_mode         update_mode;
                int test_num;
                struct omapfb_memory_read       memory_read;
+               u_int32_t                       crt;
        } p;
 
        int r = 0;
@@ -590,6 +591,17 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
                        r = -EFAULT;
                break;
 
+       case FBIO_WAITFORVSYNC:
+               if (get_user(p.crt, (u_int32_t __user *)arg)) {
+                       r = -EFAULT;
+                       break;
+               }
+               if (p.crt != 0) {
+                       r = -ENODEV;
+                       break;
+               }
+               /* FALLTHROUGH */
+
        case OMAPFB_WAITFORVSYNC:
                DBG("ioctl WAITFORVSYNC\n");
                if (!display) {