Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (442 commits)
  [media] videobuf2-dma-contig: make cookie() return a pointer to dma_addr_t
  [media] sh_mobile_ceu_camera: Do not call vb2's mem_ops directly
  [media] V4L: soc-camera: explicitly require V4L2_BUF_TYPE_VIDEO_CAPTURE
  [media] v4l: soc-camera: Store negotiated buffer settings
  [media] rc: interim support for 32-bit NEC-ish scancodes
  [media] mceusb: topseed 0x0011 needs gen3 init for tx to work
  [media] lirc_zilog: error out if buffer read bytes != chunk size
  [media] lirc: silence some compile warnings
  [media] hdpvr: use same polling interval as other OS
  [media] ir-kbd-i2c: pass device code w/key in hauppauge case
  [media] rc/keymaps: Remove the obsolete rc-rc5-tv keymap
  [media] remove the old RC_MAP_HAUPPAUGE_NEW RC map
  [media] rc/keymaps: Rename Hauppauge table as rc-hauppauge
  [media] rc-rc5-hauppauge-new: Fix Hauppauge Grey mapping
  [media] rc-rc5-hauppauge-new: Add support for the old Black RC
  [media] rc-rc5-hauppauge-new: Add the old control to the table
  [media] rc-winfast: Fix the keycode tables
  [media] a800: Fix a few wrong IR key assignments
  [media] opera1: Use multimedia keys instead of an app-specific mapping
  [media] dw2102: Use multimedia keys instead of an app-specific mapping
  ...

Fix up trivial conflicts (remove/modify and some real conflicts) in:
	arch/arm/mach-omap2/devices.c
	drivers/staging/Kconfig
	drivers/staging/Makefile
	drivers/staging/dabusb/dabusb.c
	drivers/staging/dabusb/dabusb.h
	drivers/staging/easycap/easycap_ioctl.c
	drivers/staging/usbvideo/usbvideo.c
	drivers/staging/usbvideo/vicam.c

1 files changed, 29 insertions, 0 deletions

diff --git a/include/media/v4l2-fh.h b/include/media/v4l2-fh.h
index 1d72dde320b..0206aa55be2 100644
--- a/include/media/v4l2-fh.h
+++ b/include/media/v4l2-fh.h
@@ -35,6 +35,7 @@ struct v4l2_fh {
 	struct list_head	list;
 	struct video_device	*vdev;
 	struct v4l2_events      *events; /* events, pending and subscribed */
+	enum v4l2_priority	prio;
 };
 
 /*
@@ -50,8 +51,16 @@ int v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev);
  */
 void v4l2_fh_add(struct v4l2_fh *fh);
 /*
+ * Can be used as the open() op of v4l2_file_operations.
+ * It allocates a v4l2_fh and inits and adds it to the video_device associated
+ * with the file pointer.
+ */
+int v4l2_fh_open(struct file *filp);
+/*
  * Remove file handle from the list of file handles. Must be called in
  * v4l2_file_operations->release() handler if the driver uses v4l2_fh.
+ * On error filp->private_data will be NULL, otherwise it will point to
+ * the v4l2_fh struct.
  */
 void v4l2_fh_del(struct v4l2_fh *fh);
 /*
@@ -61,5 +70,25 @@ void v4l2_fh_del(struct v4l2_fh *fh);
  * driver uses v4l2_fh.
  */
 void v4l2_fh_exit(struct v4l2_fh *fh);
+/*
+ * Can be used as the release() op of v4l2_file_operations.
+ * It deletes and exits the v4l2_fh associated with the file pointer and
+ * frees it. It will do nothing if filp->private_data (the pointer to the
+ * v4l2_fh struct) is NULL. This function always returns 0.
+ */
+int v4l2_fh_release(struct file *filp);
+/*
+ * Returns 1 if this filehandle is the only filehandle opened for the
+ * associated video_device. If fh is NULL, then it returns 0.
+ */
+int v4l2_fh_is_singular(struct v4l2_fh *fh);
+/*
+ * Helper function with struct file as argument. If filp->private_data is
+ * NULL, then it will return 0.
+ */
+static inline int v4l2_fh_is_singular_file(struct file *filp)
+{
+	return v4l2_fh_is_singular(filp->private_data);
+}
 
 #endif /* V4L2_EVENT_H */