LPASS_MAX_CDC_DMA_CHANNELS
for (chan = 0; chan < LPASS_MAX_CDC_DMA_CHANNELS; chan++) {
struct snd_pcm_substream *rxtx_substream[LPASS_MAX_CDC_DMA_CHANNELS];
struct snd_pcm_substream *va_substream[LPASS_MAX_CDC_DMA_CHANNELS];