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authorAkinobu Mita <akinobu.mita@gmail.com>2018-10-20 17:26:25 +0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-11-23 12:33:54 +0300
commit85de5e069a394b60bfa605086bae136da19a70fb (patch)
tree9ba55bf8a24416c9124819fad1321c22fee4817c /include/media/v4l2-common.h
parentae9e196dad3b5c9b23b2ac2b21e91f548cd60d3b (diff)
downloadlinux-85de5e069a394b60bfa605086bae136da19a70fb.tar.xz
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.h5
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_ */