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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>
This commit is contained in:
Jean-Francois Moine 2009-01-16 08:57:28 -03:00 committed by Mauro Carvalho Chehab
parent d661e62205
commit 576ed7b569
1 changed files with 2 additions and 6 deletions
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8
drivers/media/video/gspca/spca561.c
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@ -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);
}