BPT_FREQUENCY
#define BPT_MULTIPLIER ((BPT_FREQUENCY / 48000) - 1)
unsigned int num_channels = DIV_ROUND_UP(dma_bandwidth, BPT_FREQUENCY * 32);
num_channels_tx = DIV_ROUND_UP(tx_dma_bandwidth, BPT_FREQUENCY * 32);
num_channels_rx = DIV_ROUND_UP(rx_dma_bandwidth, BPT_FREQUENCY * 32);
msg.extension |= SOF_IPC4_GLB_EXT_CHAIN_DMA_FIFO_SIZE(BPT_FREQUENCY / 1000 *