diff options
| author | Jean-Francois Moine <moinejf@free.fr> | 2009-01-16 08:57:28 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:42:32 -0300 |
| commit | 576ed7b5696b9435e8e6a6ec0c57da1f19c7e469 (patch) | |
| tree | bc4bb85ea65497f3b1208a180f496762fd56e4b1 /drivers/media/video/gspca/spca561.c | |
| parent | d661e62205498ce6518b9859bc30444e59737d8b (diff) | |
V4L/DVB (10367): gspca - spca561: Optimize the isoc scanning function.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca/spca561.c')
| -rw-r--r-- | drivers/media/video/gspca/spca561.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c index 173c0c43fd1..386aaec3e6e 100644 --- a/drivers/media/video/gspca/spca561.c +++ b/drivers/media/video/gspca/spca561.c @@ -141,7 +141,6 @@ static const struct v4l2_pix_format sif_072a_mode[] = { #define SPCA561_OFFSET_WIN1GBAVE 14 #define SPCA561_OFFSET_FREQ 15 #define SPCA561_OFFSET_VSYNC 16 -#define SPCA561_OFFSET_DATA 1 #define SPCA561_INDEX_I2C_BASE 0x8800 #define SPCA561_SNAPBIT 0x20 #define SPCA561_SNAPCTRL 0x40 @@ -866,12 +865,11 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, { struct sd *sd = (struct sd *) gspca_dev; - switch (data[0]) { /* sequence number */ + len--; + switch (*data++) { /* sequence number */ case 0: /* start of frame */ frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, data, 0); - data += SPCA561_OFFSET_DATA; - len -= SPCA561_OFFSET_DATA; if (data[1] & 0x10) { /* compressed bayer */ gspca_frame_add(gspca_dev, FIRST_PACKET, @@ -892,8 +890,6 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, case 0xff: /* drop (empty mpackets) */ return; } - data++; - len--; gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); } |