JPEG_QT1_OFFSET
jpeg_hdr[JPEG_QT1_OFFSET + i] =
(jpeg_head[JPEG_QT1_OFFSET + i] * sc + 50) / 100;
reg_w(gspca_dev, 0x1140, &sd->jpeg_hdr[JPEG_QT1_OFFSET], 64);
reg_w(gspca_dev, 0x1140, &sd->jpeg_hdr[JPEG_QT1_OFFSET], 64);
memcpy(gspca_dev->usb_buf, &sd->jpeg_hdr[JPEG_QT1_OFFSET], 64);
jpeg_hdr[JPEG_QT1_OFFSET + i] =
(jpeg_head[JPEG_QT1_OFFSET + i] * sc + 50) / 100;
#define UV_QUANTABLE (&sd->jpeg_hdr[JPEG_QT1_OFFSET])