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| author |   Ricardo Ribalda Delgado <ribalda@kernel.org> | 2019-11-04 14:09:19 +0100 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@kernel.org> | 2019-11-08 07:40:49 +0100 |
| commit | f1bd5eae7de76ef8eabc9e393f5a8718d8f25d2a (patch) | |
| tree | 3701702d3eff9b5a0cd4b15d4c53adeb83fc5a03 /include/media/v4l2-ctrls.h | |
| parent | media: v4l2_ctrl: Add p_def to v4l2_ctrl_config (diff) | |
| download | wireguard-linux-f1bd5eae7de76ef8eabc9e393f5a8718d8f25d2a.tar.xz wireguard-linux-f1bd5eae7de76ef8eabc9e393f5a8718d8f25d2a.zip | |
media: v4l2_ctrl: Add const pointer to ctrl_ptr
This pointer is used to point to data that is constant. Thanks to this
we can avoid a lot of casting and we make more clear when the data is
constant or variable.
Suggested-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'include/media/v4l2-ctrls.h')
| -rw-r--r-- | include/media/v4l2-ctrls.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h index 78a97b10c89e..7db9e719a583 100644 --- a/include/media/v4l2-ctrls.h +++ b/include/media/v4l2-ctrls.h @@ -56,6 +56,7 @@ struct poll_table_struct; * @p_hevc_slice_params: Pointer to an HEVC slice parameters structure. * @p_area: Pointer to an area. * @p: Pointer to a compound value. + * @p_const: Pointer to a constant compound value. */ union v4l2_ctrl_ptr { s32 *p_s32; @@ -78,6 +79,7 @@ union v4l2_ctrl_ptr { struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params; struct v4l2_area *p_area; void *p; + const void *p_const; }; /** |