1 files changed, 9 insertions, 0 deletions

diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index 447f4b6b716c..1a0b2db4c5d3 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -216,4 +216,13 @@ bool v4l_match_dv_timings(const struct v4l2_dv_timings *t1,
                           const struct v4l2_dv_timings *t2,
                           unsigned pclock_delta);
 
+bool v4l2_detect_cvt(unsigned frame_height, unsigned hfreq, unsigned vsync,
+                u32 polarities, struct v4l2_dv_timings *fmt);
+
+bool v4l2_detect_gtf(unsigned frame_height, unsigned hfreq, unsigned vsync,
+                u32 polarities, struct v4l2_fract aspect,
+                struct v4l2_dv_timings *fmt);
+
+struct v4l2_fract v4l2_calc_aspect_ratio(u8 hor_landscape, u8 vert_portrait);
+
 #endif /* V4L2_COMMON_H_ */