This change will not change timing calculation. In CVT generator spreadsheet the nominal value of hsync (as a percentage of line) is 8 percent. Cc: Hans Verkuil <hans.verkuil@xxxxxxxxx> Cc: Martin Bugge <marbugge@xxxxxxxxx> Signed-off-by: Prashant Laddha <prladdha@xxxxxxxxx> --- drivers/media/v4l2-core/v4l2-dv-timings.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c index 4e09792..37f0d6f 100644 --- a/drivers/media/v4l2-core/v4l2-dv-timings.c +++ b/drivers/media/v4l2-core/v4l2-dv-timings.c @@ -313,6 +313,7 @@ EXPORT_SYMBOL_GPL(v4l2_print_dv_timings); #define CVT_MIN_V_BPORCH 7 /* lines */ #define CVT_MIN_V_PORCH_RND 3 /* lines */ #define CVT_MIN_VSYNC_BP 550 /* min time of vsync + back porch (us) */ +#define CVT_HSYNC_PERCENT 8 /* nominal hsync as percentage of line */ /* Normal blanking for CVT uses GTF to calculate horizontal blanking */ #define CVT_CELL_GRAN 8 /* character cell granularity */ @@ -442,7 +443,7 @@ bool v4l2_detect_cvt(unsigned frame_height, unsigned hfreq, unsigned vsync, h_bp = h_blank / 2; frame_width = image_width + h_blank; - hsync = frame_width * 8 / 100; + hsync = frame_width * CVT_HSYNC_PERCENT / 100; hsync = (hsync / CVT_CELL_GRAN) * CVT_CELL_GRAN; h_fp = h_blank - hsync - h_bp; } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
