399      struct snd_pcm_sync_ptr *sync_ptr = pcm->sync_ptr;  in pcm_avail()  local
402                 sync_ptr->s.status.hw_ptr,  in pcm_avail()
404                 sync_ptr->c.control.appl_ptr);  in pcm_avail()
407           long avail = sync_ptr->s.status.hw_ptr - sync_ptr->c.control.appl_ptr;  in pcm_avail()
412 …long avail = sync_ptr->s.status.hw_ptr - sync_ptr->c.control.appl_ptr + ((pcm->flags & PCM_MONO) ?…  in pcm_avail()
421 int sync_ptr(struct pcm *pcm)  in sync_ptr()  function
424     err = ioctl(pcm->fd, SNDRV_PCM_IOCTL_SYNC_PTR, pcm->sync_ptr);  in sync_ptr()
462     struct snd_pcm_sync_ptr *sync_ptr = pcm->sync_ptr;  in dst_address()  local
465 …appl_ptr = (pcm->flags & PCM_MONO) ? sync_ptr->c.control.appl_ptr*2 : sync_ptr->c.control.appl_ptr…  in dst_address()
474     struct snd_pcm_sync_ptr *sync_ptr = pcm->sync_ptr;  in mmap_transfer()  local
495     struct snd_pcm_sync_ptr *sync_ptr = pcm->sync_ptr;  in mmap_transfer_capture()  local
501 …unsigned int tmp = (pcm->flags & PCM_MONO) ? sync_ptr->c.control.appl_ptr*2 : sync_ptr->c.control.…  in mmap_transfer_capture()
534     pcm->sync_ptr->flags = SNDRV_PCM_SYNC_PTR_APPL | SNDRV_PCM_SYNC_PTR_AVAIL_MIN;  in pcm_write_mmap()
535     err = sync_ptr(pcm);  in pcm_write_mmap()
543     pcm->sync_ptr->c.control.appl_ptr += frames;  in pcm_write_mmap()
544     pcm->sync_ptr->flags = 0;  in pcm_write_mmap()
546     err = sync_ptr(pcm);  in pcm_write_mmap()
554     bytes_written = pcm->sync_ptr->c.control.appl_ptr - pcm->sync_ptr->s.status.hw_ptr;  in pcm_write_mmap()
750     if (pcm->sync_ptr)  in pcm_close()
751         free(pcm->sync_ptr);  in pcm_close()
815     pcm->sync_ptr = calloc(1, sizeof(struct snd_pcm_sync_ptr));  in pcm_open()
816     if (!pcm->sync_ptr) {  in pcm_open()
824         free(pcm->sync_ptr);  in pcm_open()
833         free(pcm->sync_ptr);  in pcm_open()