MIXART_PCM_TOTAL
#define MIXART_MAX_STREAM_PER_CARD (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) )
struct mixart_stream playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */
struct mixart_stream capture_stream[MIXART_PCM_TOTAL]; /* 0 = pcm, 1 = pcm_dig */
if ((chip_number >= mgr->num_cards) || (pcm_number >= MIXART_PCM_TOTAL) || (sub_number >= MIXART_PLAYBACK_STREAMS)) {