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[media] v4l: add g_tvnorms_output callback to V4L2 subdev

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Callback is used to acquire TV norms supported by a subdev.
It is used to avoid having standards in top-level driver.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Tomasz Stanislawski 2011-03-02 13:16:37 -03:00 committed by Mauro Carvalho Chehab
parent 243bf1a24d
commit 839cf81346
1 changed files with 4 additions and 0 deletions
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4
include/media/v4l2-subdev.h
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@ -229,6 +229,9 @@ struct v4l2_subdev_audio_ops {
s_std_output: set v4l2_std_id for video OUTPUT devices. This is ignored by s_std_output: set v4l2_std_id for video OUTPUT devices. This is ignored by
video input devices. video input devices.
g_tvnorms_output: get v4l2_std_id with all standards supported by video
OUTPUT device. This is ignored by video input devices.
s_crystal_freq: sets the frequency of the crystal used to generate the s_crystal_freq: sets the frequency of the crystal used to generate the
clocks in Hz. An extra flags field allows device specific configuration clocks in Hz. An extra flags field allows device specific configuration
regarding clock frequency dividers, etc. If not used, then set flags regarding clock frequency dividers, etc. If not used, then set flags
@ -265,6 +268,7 @@ struct v4l2_subdev_video_ops {
int (*s_crystal_freq)(struct v4l2_subdev *sd, u32 freq, u32 flags); int (*s_crystal_freq)(struct v4l2_subdev *sd, u32 freq, u32 flags);
int (*s_std_output)(struct v4l2_subdev *sd, v4l2_std_id std); int (*s_std_output)(struct v4l2_subdev *sd, v4l2_std_id std);
int (*querystd)(struct v4l2_subdev *sd, v4l2_std_id *std); int (*querystd)(struct v4l2_subdev *sd, v4l2_std_id *std);
int (*g_tvnorms_output)(struct v4l2_subdev *sd, v4l2_std_id *std);
int (*g_input_status)(struct v4l2_subdev *sd, u32 *status); int (*g_input_status)(struct v4l2_subdev *sd, u32 *status);
int (*s_stream)(struct v4l2_subdev *sd, int enable); int (*s_stream)(struct v4l2_subdev *sd, int enable);
int (*cropcap)(struct v4l2_subdev *sd, struct v4l2_cropcap *cc); int (*cropcap)(struct v4l2_subdev *sd, struct v4l2_cropcap *cc);