50 static int snd_ctl_shm_action(snd_ctl_t *ctl)  in snd_ctl_shm_action()  argument
52 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_action()
69 static int snd_ctl_shm_action_fd(snd_ctl_t *ctl, int *fd)  in snd_ctl_shm_action_fd()  argument
71 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_action_fd()
88 static int snd_ctl_shm_close(snd_ctl_t *ctl)  in snd_ctl_shm_close()  argument
90 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_close()
94 	result = snd_ctl_shm_action(ctl);  in snd_ctl_shm_close()
106 static int snd_ctl_shm_async(snd_ctl_t *ctl, int sig, pid_t pid)  in snd_ctl_shm_async()  argument
108 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_async()
115 	return snd_ctl_shm_action(ctl);  in snd_ctl_shm_async()
118 static int snd_ctl_shm_poll_descriptor(snd_ctl_t *ctl)  in snd_ctl_shm_poll_descriptor()  argument
120 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_poll_descriptor()
124 	err = snd_ctl_shm_action_fd(ctl, &fd);  in snd_ctl_shm_poll_descriptor()
130 static int snd_ctl_shm_subscribe_events(snd_ctl_t *ctl, int subscribe)  in snd_ctl_shm_subscribe_events()  argument
132 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_subscribe_events()
136 	return snd_ctl_shm_action(ctl);  in snd_ctl_shm_subscribe_events()
139 static int snd_ctl_shm_card_info(snd_ctl_t *ctl, snd_ctl_card_info_t *info)  in snd_ctl_shm_card_info()  argument
141 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_card_info()
146 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_card_info()
153 static int snd_ctl_shm_elem_list(snd_ctl_t *ctl, snd_ctl_elem_list_t *list)  in snd_ctl_shm_elem_list()  argument
155 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_elem_list()
165 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_elem_list()
175 static int snd_ctl_shm_elem_info(snd_ctl_t *ctl, snd_ctl_elem_info_t *info)  in snd_ctl_shm_elem_info()  argument
177 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_elem_info()
182 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_elem_info()
189 static int snd_ctl_shm_elem_read(snd_ctl_t *ctl, snd_ctl_elem_value_t *control)  in snd_ctl_shm_elem_read()  argument
191 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_elem_read()
196 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_elem_read()
203 static int snd_ctl_shm_elem_write(snd_ctl_t *ctl, snd_ctl_elem_value_t *control)  in snd_ctl_shm_elem_write()  argument
205 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_elem_write()
210 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_elem_write()
217 static int snd_ctl_shm_elem_lock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id)  in snd_ctl_shm_elem_lock()  argument
219 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_elem_lock()
224 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_elem_lock()
231 static int snd_ctl_shm_elem_unlock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id)  in snd_ctl_shm_elem_unlock()  argument
233 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_elem_unlock()
238 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_elem_unlock()
245 static int snd_ctl_shm_hwdep_next_device(snd_ctl_t *ctl, int * device)  in snd_ctl_shm_hwdep_next_device()  argument
247 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_hwdep_next_device()
252 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_hwdep_next_device()
259 static int snd_ctl_shm_hwdep_info(snd_ctl_t *ctl, snd_hwdep_info_t * info)  in snd_ctl_shm_hwdep_info()  argument
261 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_hwdep_info()
266 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_hwdep_info()
273 static int snd_ctl_shm_pcm_next_device(snd_ctl_t *ctl, int * device)  in snd_ctl_shm_pcm_next_device()  argument
275 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_pcm_next_device()
280 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_pcm_next_device()
287 static int snd_ctl_shm_pcm_info(snd_ctl_t *ctl, snd_pcm_info_t * info)  in snd_ctl_shm_pcm_info()  argument
289 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_pcm_info()
294 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_pcm_info()
301 static int snd_ctl_shm_pcm_prefer_subdevice(snd_ctl_t *ctl, int subdev)  in snd_ctl_shm_pcm_prefer_subdevice()  argument
303 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_pcm_prefer_subdevice()
307 	return snd_ctl_shm_action(ctl);  in snd_ctl_shm_pcm_prefer_subdevice()
310 static int snd_ctl_shm_rawmidi_next_device(snd_ctl_t *ctl, int * device)  in snd_ctl_shm_rawmidi_next_device()  argument
312 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_rawmidi_next_device()
317 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_rawmidi_next_device()
324 static int snd_ctl_shm_rawmidi_info(snd_ctl_t *ctl, snd_rawmidi_info_t * info)  in snd_ctl_shm_rawmidi_info()  argument
326 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_rawmidi_info()
331 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_rawmidi_info()
338 static int snd_ctl_shm_rawmidi_prefer_subdevice(snd_ctl_t *ctl, int subdev)  in snd_ctl_shm_rawmidi_prefer_subdevice()  argument
340 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_rawmidi_prefer_subdevice()
344 	return snd_ctl_shm_action(ctl);  in snd_ctl_shm_rawmidi_prefer_subdevice()
347 static int snd_ctl_shm_set_power_state(snd_ctl_t *ctl, unsigned int state)  in snd_ctl_shm_set_power_state()  argument
349 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_set_power_state()
353 	return snd_ctl_shm_action(ctl);  in snd_ctl_shm_set_power_state()
356 static int snd_ctl_shm_get_power_state(snd_ctl_t *ctl, unsigned int *state)  in snd_ctl_shm_get_power_state()  argument
358 	snd_ctl_shm_t *shm = ctl->private_data;  in snd_ctl_shm_get_power_state()
362 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_get_power_state()
369 static int snd_ctl_shm_read(snd_ctl_t *ctl, snd_ctl_event_t *event)  in snd_ctl_shm_read()  argument
374 	err = snd_ctl_wait(ctl, -1);  in snd_ctl_shm_read()
377 	shm = ctl->private_data;  in snd_ctl_shm_read()
381 	err = snd_ctl_shm_action(ctl);  in snd_ctl_shm_read()
436 	snd_ctl_t *ctl;  in snd_ctl_shm_open()  local
505 	err = snd_ctl_new(&ctl, SND_CTL_TYPE_SHM, name);  in snd_ctl_shm_open()
510 	ctl->ops = &snd_ctl_shm_ops;  in snd_ctl_shm_open()
511 	ctl->private_data = shm;  in snd_ctl_shm_open()
512 	err = snd_ctl_shm_poll_descriptor(ctl);  in snd_ctl_shm_open()
514 		snd_ctl_close(ctl);  in snd_ctl_shm_open()
517 	ctl->poll_fd = err;  in snd_ctl_shm_open()
518 	*handlep = ctl;  in snd_ctl_shm_open()