diff options
Diffstat (limited to 'include/media/v4l2-dv-timings.h')
| -rw-r--r-- | include/media/v4l2-dv-timings.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/include/media/v4l2-dv-timings.h b/include/media/v4l2-dv-timings.h index 0a7d9e1fc8c8..61a18893e004 100644 --- a/include/media/v4l2-dv-timings.h +++ b/include/media/v4l2-dv-timings.h @@ -101,12 +101,22 @@ bool v4l2_find_dv_timings_cap(struct v4l2_dv_timings *t, void *fnc_handle); /** + * v4l2_find_dv_timings_cea861_vic() - find timings based on CEA-861 VIC + * @t: the timings data. + * @vic: CEA-861 VIC code + * + * On success it will fill in @t with the found timings and it returns true. + * On failure it will return false. + */ +bool v4l2_find_dv_timings_cea861_vic(struct v4l2_dv_timings *t, u8 vic); + +/** * v4l2_match_dv_timings() - do two timings match? * * @measured: the measured timings data. * @standard: the timings according to the standard. * @pclock_delta: maximum delta in Hz between standard->pixelclock and - * the measured timings. + * the measured timings. * @match_reduced_fps: if true, then fail if V4L2_DV_FL_REDUCED_FPS does not * match. * @@ -185,6 +195,14 @@ bool v4l2_detect_gtf(unsigned frame_height, unsigned hfreq, unsigned vsync, */ struct v4l2_fract v4l2_calc_aspect_ratio(u8 hor_landscape, u8 vert_portrait); +/** + * v4l2_dv_timings_aspect_ratio - calculate the aspect ratio based on the + * v4l2_dv_timings information. + * + * @t: the timings data. + */ +struct v4l2_fract v4l2_dv_timings_aspect_ratio(const struct v4l2_dv_timings *t); + /* * reduce_fps - check if conditions for reduced fps are true. * bt - v4l2 timing structure |