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: Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
include/media/v4l2-subdev.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index af491a1..fd9cdc6 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -225,6 +225,9 @@ 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.
@@ -265,6 +268,7 @@ 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);
--
1.7.5.4
--
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