V4L/DVB (10367): gspca - spca561: Optimize the isoc scanning function. (576ed7b5) · Commits · 戴 / test

drivers/media/video/gspca/spca561.c

+2 −6

Original line number	Diff line number	Diff line
		@@ -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);
		}