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[3/8] v4l: add g_dv_preset callback to V4L2 subdev

Message ID 1309351877-32444-4-git-send-email-t.stanislaws@samsung.com (mailing list archive)
State RFC
Headers show

Commit Message

Tomasz Stanislawski June 29, 2011, 12:51 p.m. UTC 
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: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 include/media/v4l2-subdev.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
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Patch

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 476fcdd..af491a1 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -242,6 +242,8 @@  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()
 
@@ -282,6 +284,8 @@  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,