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media: v4l2-common: add V4L2_FRACT_COMPARE

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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>
This commit is contained in:
Akinobu Mita 2018-10-20 10:26:25 -04:00 committed by Mauro Carvalho Chehab
parent ae9e196dad
commit 85de5e069a
1 changed files with 5 additions and 0 deletions
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5
include/media/v4l2-common.h
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@ -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_ */