mmHDMI_ACR_44_1
tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
WREG32(mmHDMI_ACR_44_1 + offset, acr.n_44_1khz);