CXADEC_AFE_CTRL
cx18_av_and_or4(cx, CXADEC_AFE_CTRL, 0xFF000000, 0x00005D00);
afe_cfg = cx18_av_read4(cx, CXADEC_AFE_CTRL);
cx18_av_write4(cx, CXADEC_AFE_CTRL, afe_cfg);