diff options
| author | Jean-Francois Moine <moinejf@free.fr> | 2009-01-16 12:57:28 +0100 |
|---|---|---|
| committer | Jean-Francois Moine <moinejf@free.fr> | 2009-01-16 12:57:28 +0100 |
| commit | 3f72fef8e0c14f63c1c530cd571a89491f997650 (patch) | |
| tree | 45c08ef3b49343c29c9d1755f6788d820ee4d6a7 /linux/drivers/media/video/gspca/spca561.c | |
| parent | f849265ace360a44941e106a3a0b6072f422df40 (diff) | |
| download | mediapointer-dvb-s2-3f72fef8e0c14f63c1c530cd571a89491f997650.tar.gz mediapointer-dvb-s2-3f72fef8e0c14f63c1c530cd571a89491f997650.tar.bz2 | |
gspca - spca561: Optimize the isoc scanning function.
From: Jean-Francois Moine <moinejf@free.fr>
Priority: normal
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Diffstat (limited to 'linux/drivers/media/video/gspca/spca561.c')
| -rw-r--r-- | linux/drivers/media/video/gspca/spca561.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/linux/drivers/media/video/gspca/spca561.c b/linux/drivers/media/video/gspca/spca561.c index b991ddde5..bcc8e863d 100644 --- a/linux/drivers/media/video/gspca/spca561.c +++ b/linux/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 @@ -873,12 +872,11 @@ 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, @@ -899,8 +897,6 @@ 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); } |