CX0342_RAW_GRGAIN_L
i2c_w(gspca_dev, CX0342_RAW_GRGAIN_L, gain);
{CX0342_RAW_GRGAIN_L, 0x00},
{CX0342_RAW_GRGAIN_L, 0x00},
{CX0342_RAW_GRGAIN_L, 0x00},
{CX0342_RAW_GRGAIN_L, 0x40},