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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2018-10-20 10:26:25 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-11-23 04:33:54 -0500 |
| commit | 85de5e069a394b60bfa605086bae136da19a70fb (patch) | |
| tree | 9ba55bf8a24416c9124819fad1321c22fee4817c /include/media/v4l2-common.h | |
| parent | ae9e196dad3b5c9b23b2ac2b21e91f548cd60d3b (diff) | |
| download | linux-stable-85de5e069a394b60bfa605086bae136da19a70fb.tar.gz linux-stable-85de5e069a394b60bfa605086bae136da19a70fb.tar.bz2 linux-stable-85de5e069a394b60bfa605086bae136da19a70fb.zip | |
media: v4l2-common: add V4L2_FRACT_COMPARE
Add macro to compare two v4l2_fract values in v4l2 common internal API.
The same macro FRACT_CMP() is used by vivid and bcm2835-camera. This just
renames it to V4L2_FRACT_COMPARE in order to avoid namespace collision.
Cc: Matt Ranostay <matt.ranostay@konsulko.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include/media/v4l2-common.h')
| -rw-r--r-- | include/media/v4l2-common.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 82715645617b..0c511ed8ffb0 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -396,4 +396,9 @@ int v4l2_g_parm_cap(struct video_device *vdev, int v4l2_s_parm_cap(struct video_device *vdev, struct v4l2_subdev *sd, struct v4l2_streamparm *a); +/* Compare two v4l2_fract structs */ +#define V4L2_FRACT_COMPARE(a, OP, b) \ + ((u64)(a).numerator * (b).denominator OP \ + (u64)(b).numerator * (a).denominator) + #endif /* V4L2_COMMON_H_ */ |