STK1135_REG_GCTRL
reg_w(gspca_dev, STK1135_REG_GCTRL, 0x49);
reg_w(gspca_dev, STK1135_REG_GCTRL + 2, 0x78);
reg_w(gspca_dev, STK1135_REG_GCTRL, (1 << 5));
reg_w(gspca_dev, STK1135_REG_GCTRL + 3, 0x80);
reg_w(gspca_dev, STK1135_REG_GCTRL, (1 << 5));