Merge branch 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb

* 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (44 commits)
  V4L/DVB (5571): V4l1-compat:  Make VIDIOCSPICT return errors in a useful way
  V4L/DVB (5624): Radio-maestro.c cleanup
  V4L/DVB (5623): Dsbr100.c Replace usb_dsbr100_do_ioctl to use video_ioctl2
  V4L/DVB (5622): Radio-zoltrix.c cleanup
  V4L/DVB (5621): Radio-cadet.c Replace cadet_do_ioctl to use video_ioctl2
  V4L/DVB (5619): Dvb-usb: fix typo
  V4L/DVB (5618): Cx88: Drop the generic i2c client from cx88-vp3054-i2c
  V4L/DVB (5617): V4L2: videodev, allow debugging
  V4L/DVB (5614): M920x: Disable second adapter on LifeView TV Walker Twin
  V4L/DVB (5613): M920x: loosen up 80-col limit
  V4L/DVB (5612): M920x: rename function prefixes from m9206_foo to m920x_foo
  V4L/DVB (5611): M920x: replace deb_rc with deb
  V4L/DVB (5610): M920x: remove duplicated code
  V4L/DVB (5609): M920x: group like functions together
  V4L/DVB (5608): M920x: various whitespace cleanups
  V4L/DVB (5607): M920x: Initial support for devices likely manufactured by Dposh
  V4L/DVB (5606): M920x: add "c-basic-offset: 8" to help emacs to enforce tabbing
  V4L/DVB (5605): M920x: Add support for LifeView TV Walker Twin
  V4L/DVB (5603): V4L: Prevent queueing queued buffers.
  V4L/DVB (5602): Enable DiSEqC in Starbox II (vp7021a)
  ...

1 files changed, 31 insertions, 19 deletions

diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index 5263b50463e..b876aca69c7 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -433,13 +433,43 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
 	int                  ret = -EINVAL;
 
 	if ( (vfd->debug & V4L2_DEBUG_IOCTL) &&
-				!(vfd->debug | V4L2_DEBUG_IOCTL_ARG)) {
+				!(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) {
 		v4l_print_ioctl(vfd->name, cmd);
 	}
 
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
+	/***********************************************************
+	 Handles calls to the obsoleted V4L1 API
+	 Due to the nature of VIDIOCGMBUF, each driver that supports
+	 V4L1 should implement its own handler for this ioctl.
+	 ***********************************************************/
+
+	/* --- streaming capture ------------------------------------- */
+	if (cmd == VIDIOCGMBUF) {
+		struct video_mbuf *p=arg;
+
+		memset(p,0,sizeof(p));
+
+		if (!vfd->vidiocgmbuf)
+			return ret;
+		ret=vfd->vidiocgmbuf(file, fh, p);
+		if (!ret)
+			dbgarg (cmd, "size=%d, frames=%d, offsets=0x%08lx\n",
+						p->size, p->frames,
+						(unsigned long)p->offsets);
+		return ret;
+	}
+
+	/********************************************************
+	 All other V4L1 calls are handled by v4l1_compat module.
+	 Those calls will be translated into V4L2 calls, and
+	 __video_do_ioctl will be called again, with one or more
+	 V4L2 ioctls.
+	 ********************************************************/
 	if (_IOC_TYPE(cmd)=='v')
 		return v4l_compat_translate_ioctl(inode,file,cmd,arg,
 						__video_do_ioctl);
+#endif
 
 	switch(cmd) {
 	/* --- capabilities ------------------------------------------ */
@@ -791,24 +821,6 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
 		ret=vfd->vidioc_overlay(file, fh, *i);
 		break;
 	}
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	/* --- streaming capture ------------------------------------- */
-	case VIDIOCGMBUF:
-	{
-		struct video_mbuf *p=arg;
-
-		memset(p,0,sizeof(p));
-
-		if (!vfd->vidiocgmbuf)
-			break;
-		ret=vfd->vidiocgmbuf(file, fh, p);
-		if (!ret)
-			dbgarg (cmd, "size=%d, frames=%d, offsets=0x%08lx\n",
-						p->size, p->frames,
-						(unsigned long)p->offsets);
-		break;
-	}
-#endif
 	case VIDIOC_G_FBUF:
 	{
 		struct v4l2_framebuffer *p=arg;