diff options
| -rw-r--r-- | drivers/media/video/bttv-risc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/media/video/bttv-risc.c b/drivers/media/video/bttv-risc.c index 33bf3a490ebe..3731d2c9a26c 100644 --- a/drivers/media/video/bttv-risc.c +++ b/drivers/media/video/bttv-risc.c @@ -125,6 +125,7 @@ bttv_risc_planar(struct bttv *btv, struct btcx_riscmem *risc, struct scatterlist *ysg; struct scatterlist *usg; struct scatterlist *vsg; + int topfield = (0 == yoffset); int rc; /* estimate risc mem: worst case is one write per page border + @@ -153,13 +154,13 @@ bttv_risc_planar(struct bttv *btv, struct btcx_riscmem *risc, chroma = 1; break; case 1: - if (!yoffset) + if (topfield) chroma = (line & 1) == 0; else chroma = (line & 1) == 1; break; case 2: - if (!yoffset) + if (topfield) chroma = (line & 3) == 0; else chroma = (line & 3) == 2; |