OMAP: DSS2: OMAPFB: add support for FBIO_WAITFORVSYNC

FBIO_WAITFORVSYNC is a stardard ioctl for waiting vsync, already
used by some userspace, so add it as an alias for OMAPFB_WAITFORVSYNC.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
index 994f6a091b49..6f435450987e 100644
--- 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) {