Currently the colors for the Y16 and Y16_BE pixelformats are in the range
0x0000-0xff00. So pure white (0xffff) is never created.
Improve this by using the same byte for both LSB and MSB so the full range
is achieved.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c
index b1147f2..e28f32b 100644
--- a/drivers/media/platform/vivid/vivid-tpg.c
+++ b/drivers/media/platform/vivid/vivid-tpg.c
@@ -896,16 +896,12 @@ static void gen_twopix(struct tpg_data *tpg,
b_v = tpg->colors[color][2]; /* B or precalculated V */
switch (tpg->fourcc) {
- case V4L2_PIX_FMT_GREY:
- buf[0][offset] = r_y;
- break;
case V4L2_PIX_FMT_Y16:
- buf[0][offset] = 0;
- buf[0][offset+1] = r_y;
- break;
case V4L2_PIX_FMT_Y16_BE:
+ buf[0][offset+1] = r_y;
+ /* fall through */
+ case V4L2_PIX_FMT_GREY:
buf[0][offset] = r_y;
- buf[0][offset+1] = 0;
break;
case V4L2_PIX_FMT_YUV422P:
case V4L2_PIX_FMT_YUV420:
--
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