395      struct snd_pcm_sync_ptr *sync_ptr = pcm->sync_ptr;  in pcm_avail()  local
398                 sync_ptr->s.status.hw_ptr,  in pcm_avail()
400                 sync_ptr->c.control.appl_ptr);  in pcm_avail()
403           long avail = sync_ptr->s.status.hw_ptr - sync_ptr->c.control.appl_ptr;  in pcm_avail()
408 …long avail = sync_ptr->s.status.hw_ptr - sync_ptr->c.control.appl_ptr + ((pcm->flags & PCM_MONO) ?…  in pcm_avail()
417 int sync_ptr(struct pcm *pcm)  in sync_ptr()  function
420     err = ioctl(pcm->fd, SNDRV_PCM_IOCTL_SYNC_PTR, pcm->sync_ptr);  in sync_ptr()
458     struct snd_pcm_sync_ptr *sync_ptr = pcm->sync_ptr;  in dst_address()  local
461 …appl_ptr = (pcm->flags & PCM_MONO) ? sync_ptr->c.control.appl_ptr*2 : sync_ptr->c.control.appl_ptr…  in dst_address()
470     struct snd_pcm_sync_ptr *sync_ptr = pcm->sync_ptr;  in mmap_transfer()  local
491     struct snd_pcm_sync_ptr *sync_ptr = pcm->sync_ptr;  in mmap_transfer_capture()  local
497 …unsigned int tmp = (pcm->flags & PCM_MONO) ? sync_ptr->c.control.appl_ptr*2 : sync_ptr->c.control.…  in mmap_transfer_capture()
530     pcm->sync_ptr->flags = SNDRV_PCM_SYNC_PTR_APPL | SNDRV_PCM_SYNC_PTR_AVAIL_MIN;  in pcm_write_mmap()
531     err = sync_ptr(pcm);  in pcm_write_mmap()
539     pcm->sync_ptr->c.control.appl_ptr += frames;  in pcm_write_mmap()
540     pcm->sync_ptr->flags = 0;  in pcm_write_mmap()
542     err = sync_ptr(pcm);  in pcm_write_mmap()
550     bytes_written = pcm->sync_ptr->c.control.appl_ptr - pcm->sync_ptr->s.status.hw_ptr;  in pcm_write_mmap()
746     if (pcm->sync_ptr)  in pcm_close()
747         free(pcm->sync_ptr);  in pcm_close()
811     pcm->sync_ptr = calloc(1, sizeof(struct snd_pcm_sync_ptr));  in pcm_open()
812     if (!pcm->sync_ptr) {  in pcm_open()
820         free(pcm->sync_ptr);  in pcm_open()
829         free(pcm->sync_ptr);  in pcm_open()