reg_w_1
reg_w_1(gspca_dev, 0x21, 0, 1, 0);
reg_w_1(gspca_dev, 0x24, 0, 8, 2); /* type */
reg_w_1(gspca_dev, 0x25, 0, 4, Size);
reg_w_1(gspca_dev, 0x25, 0, 4, Size);
reg_w_1(gspca_dev, 0x27, 0, 0, 6);
reg_w_1(gspca_dev, 0x26, 0, 0, 3);
reg_w_1(gspca_dev, 0x24, 0, 0, 0);