Lines Matching refs:ch
456 feed_root(struct pcm_feeder *feeder, struct pcm_channel *ch, u_int8_t *buffer, u_int32_t count, void *source)
463 if (++ch->feedcount == 0)
464 ch->feedcount = 2;
469 if (ch->direction == PCMDIR_REC) {
482 (ch->flags & CHN_F_VIRTUAL) ? "virtual" : "hardware",
483 (ch->feedcount == 1) ? "pre" : "ap",
484 offset, count, l, ch->feedcount);
486 if (ch->feedcount == 1) {
493 ch->feedcount--;
500 if (!(ch->flags & CHN_F_CLOSING))
501 ch->xruns++;