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Commit 5930ab2b authored by Tomasz Stanislawski's avatar Tomasz Stanislawski Committed by Mauro Carvalho Chehab
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[media] v4l: add g_std_output callback to V4L2 subdev 



Callback is used to acquire current analog TV standard from a subdev.
It is used to avoid keeping current standard in top-level driver.

Signed-off-by: default avatarTomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 8b32dd0d

include/media/v4l2-subdev.h

+4 −0
Original line number Diff line number Diff line
@@ -229,6 +229,9 @@ struct v4l2_subdev_audio_ops { 
   s_std_output: set v4l2_std_id for video OUTPUT devices. This is ignored by

	video input devices.



   g_std_output: get current standard for video OUTPUT devices. This is ignored

	by 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.
@@ -269,6 +272,7 @@ struct v4l2_subdev_video_ops { 
	int (*s_routing)(struct v4l2_subdev *sd, u32 input, u32 output, u32 config);

	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 (*g_std_output)(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);