From c0b50d951283eddec292811440f1d38eb2a3f455 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sun, 8 Mar 2015 04:53:33 -0300 Subject: [PATCH] [media] vivid: BT.2020 R'G'B' is limited range According to the standard the R'G'B' BT.2020 colorspace is limited range, not full range. Fix this. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/vivid/vivid-tpg.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c index 34493f435d5a..acb73b67b16a 100644 --- a/drivers/media/platform/vivid/vivid-tpg.c +++ b/drivers/media/platform/vivid/vivid-tpg.c @@ -1265,6 +1265,10 @@ static void tpg_recalc(struct tpg_data *tpg) V4L2_QUANTIZATION_LIM_RANGE; break; } + } else if (tpg->colorspace == V4L2_COLORSPACE_BT2020) { + /* R'G'B' BT.2020 is limited range */ + tpg->real_quantization = + V4L2_QUANTIZATION_LIM_RANGE; } } tpg_precalculate_colors(tpg); -- 2.39.5