AUDIO_IO_RX_CTL
hw_write_20kx(hw, (AUDIO_IO_RX_CTL+(0x40*i)), data);
blk->rxctl[i] = hw_read_20kx(hw, AUDIO_IO_RX_CTL+(0x40*i));
hw_write_20kx(hw, (AUDIO_IO_RX_CTL+(0x40*i)), data);
hw_write_20kx(hw, AUDIO_IO_RX_CTL+(0x40*i), data);