CONFCTL
i2c_wr16_and_or(sd, CONFCTL, ~(MASK_VBUFEN | MASK_ABUFEN),
i2c_wr16_and_or(sd, CONFCTL, ~MASK_YCBCRFMT,
i2c_wr16_and_or(sd, CONFCTL, ~MASK_YCBCRFMT, 0);
i2c_wr16_and_or(sd, CONFCTL, 0xffff, MASK_AUDCHNUM_2 |