diff options
Diffstat (limited to 'drivers/media/common/v4l2-tpg/v4l2-tpg-core.c')
| -rw-r--r-- | drivers/media/common/v4l2-tpg/v4l2-tpg-core.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c index 7364ced09abc..ed37ae307cac 100644 --- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c +++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c @@ -916,14 +916,18 @@ static void precalculate_color(struct tpg_data *tpg, int k) if (!ycbcr_valid) color_to_ycbcr(tpg, r, g, b, &y, &cb, &cr); + y >>= 4; + cb >>= 4; + cr >>= 4; if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE) { - y = clamp(y, 16 << 4, 235 << 4); - cb = clamp(cb, 16 << 4, 240 << 4); - cr = clamp(cr, 16 << 4, 240 << 4); + y = clamp(y, 16, 235); + cb = clamp(cb, 16, 240); + cr = clamp(cr, 16, 240); + } else { + y = clamp(y, 1, 254); + cb = clamp(cb, 1, 254); + cr = clamp(cr, 1, 254); } - y = clamp(y >> 4, 1, 254); - cb = clamp(cb >> 4, 1, 254); - cr = clamp(cr >> 4, 1, 254); switch (tpg->fourcc) { case V4L2_PIX_FMT_YUV444: y >>= 4; |