MIXART_FIRST_DIG_AUDIO_ID
if(k < MIXART_FIRST_DIG_AUDIO_ID) {
pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_out_dig;
if(k < MIXART_FIRST_DIG_AUDIO_ID) {
pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_in_dig;