diff options
Diffstat (limited to 'drivers/media/platform/vivid/vivid-tpg.c')
| -rw-r--r-- | drivers/media/platform/vivid/vivid-tpg.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c index 32ebf0d90d10..1458c7955547 100644 --- a/drivers/media/platform/vivid/vivid-tpg.c +++ b/drivers/media/platform/vivid/vivid-tpg.c @@ -900,12 +900,19 @@ static void gen_twopix(struct tpg_data *tpg, buf[0][offset] = r_y; break; case V4L2_PIX_FMT_Y16: - buf[0][offset] = 0; + /* + * Ideally both bytes should be set to r_y, but then you won't + * be able to detect endian problems. So keep it 0 except for + * the corner case where r_y is 0xff so white really will be + * white (0xffff). + */ + buf[0][offset] = r_y == 0xff ? r_y : 0; buf[0][offset+1] = r_y; break; case V4L2_PIX_FMT_Y16_BE: + /* See comment for V4L2_PIX_FMT_Y16 above */ buf[0][offset] = r_y; - buf[0][offset+1] = 0; + buf[0][offset+1] = r_y == 0xff ? r_y : 0; break; case V4L2_PIX_FMT_YUV422P: case V4L2_PIX_FMT_YUV420: |