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[media] bttv: convert to the control framework

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Note that the private chroma agc control has been replaced with the standard
CHROMA_AGC control.
Also fixes a mute/automute problem where closing the file handle would force
mute on. That's not what you want since that would make the mute state out of
sync with the mute control. Instead check against the user count.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-02-06 12:40:28 -03:00 • committed by Mauro Carvalho Chehab
parent 5d478e0de8
commit 01df530c27
4 changed files with 271 additions and 437 deletions
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5
include/uapi/linux/v4l2-controls.h
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@ -146,6 +146,11 @@ enum v4l2_colorfx {
* of controls. We reserve 16 controls for this driver. */
#define V4L2_CID_USER_MEYE_BASE (V4L2_CID_USER_BASE + 0x1000)
/* The base for the bttv driver controls.
* We reserve 32 controls for this driver. */
#define V4L2_CID_USER_BTTV_BASE (V4L2_CID_USER_BASE + 0x1010)
/* MPEG-class control IDs */
#define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900)