254 struct pcm {  struct
263     struct pcm_config config;  argument
264     struct snd_pcm_mmap_status *mmap_status;  argument
265     struct snd_pcm_mmap_control *mmap_control;  argument
266     struct snd_pcm_sync_ptr *sync_ptr;  argument
272     struct pcm_ops *ops;  argument
277 unsigned int pcm_get_buffer_size(struct pcm *pcm)  in pcm_get_buffer_size()
282 const char* pcm_get_error(struct pcm *pcm)  in pcm_get_error()
287 unsigned int pcm_get_subdevice(struct pcm *pcm)  in pcm_get_subdevice()
292 static int oops(struct pcm *pcm, int e, const char *fmt, ...)  in oops()
339 unsigned int pcm_bytes_to_frames(struct pcm *pcm, unsigned int bytes)  in pcm_bytes_to_frames()
345 unsigned int pcm_frames_to_bytes(struct pcm *pcm, unsigned int frames)  in pcm_frames_to_bytes()
351 static int pcm_sync_ptr(struct pcm *pcm, int flags) {  in pcm_sync_ptr()
361 static int pcm_hw_mmap_status(struct pcm *pcm) {  in pcm_hw_mmap_status()
407 static void pcm_hw_munmap_status(struct pcm *pcm) {  in pcm_hw_munmap_status()
422 static int pcm_areas_copy(struct pcm *pcm, unsigned int pcm_offset,  in pcm_areas_copy()
442 static int pcm_mmap_transfer_areas(struct pcm *pcm, char *buf,  in pcm_mmap_transfer_areas()
466 int pcm_get_htimestamp(struct pcm *pcm, unsigned int *avail,  in pcm_get_htimestamp()
505 int pcm_mmap_get_hw_ptr(struct pcm* pcm, unsigned int *hw_ptr, struct timespec *tstamp)  in pcm_mmap_get_hw_ptr()
536 int pcm_write(struct pcm *pcm, const void *data, unsigned int count)  in pcm_write()
575 int pcm_read(struct pcm *pcm, void *data, unsigned int count)  in pcm_read()
879 int pcm_close(struct pcm *pcm)  in pcm_close()
907     struct pcm *pcm;  in pcm_open()  local
1073 int pcm_is_ready(struct pcm *pcm)  in pcm_is_ready()
1078 int pcm_prepare(struct pcm *pcm)  in pcm_prepare()
1090 int pcm_start(struct pcm *pcm)  in pcm_start()
1106 int pcm_stop(struct pcm *pcm)  in pcm_stop()
1116 static inline long pcm_mmap_playback_avail(struct pcm *pcm)  in pcm_mmap_playback_avail()
1130 static inline long pcm_mmap_capture_avail(struct pcm *pcm)  in pcm_mmap_capture_avail()
1139 int pcm_mmap_avail(struct pcm *pcm)  in pcm_mmap_avail()
1149 static void pcm_mmap_appl_forward(struct pcm *pcm, int frames)  in pcm_mmap_appl_forward()
1161 int pcm_mmap_begin(struct pcm *pcm, void **areas, unsigned int *offset,  in pcm_mmap_begin()
1188 int pcm_mmap_commit(struct pcm *pcm, unsigned int offset __attribute__((unused)), unsigned int fram…  in pcm_mmap_commit()
1197 int pcm_avail_update(struct pcm *pcm)  in pcm_avail_update()
1203 int pcm_state(struct pcm *pcm)  in pcm_state()
1212 int pcm_set_avail_min(struct pcm *pcm, int avail_min)  in pcm_set_avail_min()
1221 int pcm_wait(struct pcm *pcm, int timeout)  in pcm_wait()
1262 int pcm_get_poll_fd(struct pcm *pcm)  in pcm_get_poll_fd()
1267 int pcm_mmap_transfer(struct pcm *pcm, const void *buffer, unsigned int bytes)  in pcm_mmap_transfer()
1355 int pcm_mmap_write(struct pcm *pcm, const void *data, unsigned int count)  in pcm_mmap_write()
1363 int pcm_mmap_read(struct pcm *pcm, void *data, unsigned int count)  in pcm_mmap_read()
1371 int pcm_ioctl(struct pcm *pcm, int request, ...)  in pcm_ioctl()