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Commit 8b32dd0d authored by Tomasz Stanislawski's avatar Tomasz Stanislawski Committed by Mauro Carvalho Chehab
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[media] v4l: add g_dv_preset callback to V4L2 subdev 



Callback is used to acquire current digital video preset from a subdev.
It is used to avoid keeping dv preset 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 839cf813

include/media/v4l2-subdev.h

+4 −0
Original line number Diff line number Diff line
@@ -246,6 +246,8 @@ struct v4l2_subdev_audio_ops { 
   s_dv_preset: set dv (Digital Video) preset in the sub device. Similar to

	s_std()



   g_dv_preset: get current dv (Digital Video) preset in the sub device.



   query_dv_preset: query dv preset in the sub device. This is similar to

	querystd()
@@ -286,6 +288,8 @@ struct v4l2_subdev_video_ops { 
			struct v4l2_dv_enum_preset *preset);

	int (*s_dv_preset)(struct v4l2_subdev *sd,

			struct v4l2_dv_preset *preset);

	int (*g_dv_preset)(struct v4l2_subdev *sd,

			struct v4l2_dv_preset *preset);

	int (*query_dv_preset)(struct v4l2_subdev *sd,

			struct v4l2_dv_preset *preset);

	int (*s_dv_timings)(struct v4l2_subdev *sd,