STK1135_REG_SICTL
val = reg_r(gspca_dev, STK1135_REG_SICTL + 1);
reg_w(gspca_dev, STK1135_REG_SICTL, 0x20);
reg_w(gspca_dev, STK1135_REG_SICTL, 0x01);
reg_w(gspca_dev, STK1135_REG_SICTL + 2, 0x1f);
reg_w(gspca_dev, STK1135_REG_SICTL, 0x80);
reg_w(gspca_dev, STK1135_REG_SICTL, 0x00);
reg_w(gspca_dev, STK1135_REG_SICTL + 3, 0xba);