Avoid duplicated clamps when possible.
Suggested-by: Philipp Zabel <p.za...@pengutronix.de>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.riba...@gmail.com>
---
drivers/media/common/v4l2-tpg/v4l2-tpg-core.c | 16 ++++++++++------
1 file 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;
--
2.8.1
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