59     struct mixer_plugin *plugin;  member
67     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_get_elem_id()  local
70     if (offset >= plugin->num_controls) {  in mixer_plug_get_elem_id()
75     ctl = plugin->controls + offset;  in mixer_plug_get_elem_id()
133 void mixer_plug_notifier_cb(struct mixer_plugin *plugin)  in mixer_plug_notifier_cb()  argument
135     pthread_mutex_lock(&plugin->mutex);  in mixer_plug_notifier_cb()
136     plugin->event_cnt++;  in mixer_plug_notifier_cb()
137     pthread_mutex_unlock(&plugin->mutex);  in mixer_plug_notifier_cb()
138     eventfd_write(plugin->eventfd, 1);  in mixer_plug_notifier_cb()
146     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_read_event()  local
151     result = plugin->ops->read_event(plugin, (struct ctl_event *)ev, size);  in mixer_plug_read_event()
155         pthread_mutex_lock(&plugin->mutex);  in mixer_plug_read_event()
156         plugin->event_cnt -= read_cnt;  in mixer_plug_read_event()
157         if (plugin->event_cnt < 0) {  in mixer_plug_read_event()
158             plugin->event_cnt = 0;  in mixer_plug_read_event()
160         pthread_mutex_unlock(&plugin->mutex);  in mixer_plug_read_event()
163             eventfd_read(plugin->eventfd, &evfd);  in mixer_plug_read_event()
173     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_subscribe_events()  local
178         *subscribe = plugin->subscribed;  in mixer_plug_subscribe_events()
182     if (*subscribe && !plugin->subscribed) {  in mixer_plug_subscribe_events()
183         plugin->ops->subscribe_events(plugin, &mixer_plug_notifier_cb);  in mixer_plug_subscribe_events()
184     } else if (plugin->subscribed && !*subscribe) {  in mixer_plug_subscribe_events()
185         plugin->ops->subscribe_events(plugin, NULL);  in mixer_plug_subscribe_events()
187         pthread_mutex_lock(&plugin->mutex);  in mixer_plug_subscribe_events()
188         count = plugin->event_cnt;  in mixer_plug_subscribe_events()
189         plugin->event_cnt = 0;  in mixer_plug_subscribe_events()
190         pthread_mutex_unlock(&plugin->mutex);  in mixer_plug_subscribe_events()
192             eventfd_read(plugin->eventfd, &evfd);  in mixer_plug_subscribe_events()
196     plugin->subscribed = *subscribe;  in mixer_plug_subscribe_events()
203     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_get_poll_fd()  local
205     if (plugin->eventfd != -1) {  in mixer_plug_get_poll_fd()
206         pfd[count].fd = plugin->eventfd;  in mixer_plug_get_poll_fd()
215     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_tlv_write()  local
219     ctl = plugin->controls + tlv->numid;  in mixer_plug_tlv_write()
222     return val_tlv->put(plugin, ctl, tlv);  in mixer_plug_tlv_write()
228     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_tlv_read()  local
232     ctl = plugin->controls + tlv->numid;  in mixer_plug_tlv_read()
235     return val_tlv->get(plugin, ctl, tlv);  in mixer_plug_tlv_read()
241     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_elem_write()  local
249     ctl = plugin->controls + ev->id.numid;  in mixer_plug_elem_write()
251     return ctl->put(plugin, ctl, ev);  in mixer_plug_elem_write()
257     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_elem_read()  local
265     ctl = plugin->controls + ev->id.numid;  in mixer_plug_elem_read()
267     return ctl->get(plugin, ctl, ev);  in mixer_plug_elem_read()
274     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_get_elem_info()  local
283     ctl = plugin->controls + einfo->id.numid;  in mixer_plug_get_elem_info()
314     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_get_elem_list()  local
319     elist->count = plugin->num_controls;  in mixer_plug_get_elem_list()
356     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_close()  local
360     pthread_mutex_lock(&plugin->mutex);  in mixer_plug_close()
361     count = plugin->event_cnt;  in mixer_plug_close()
362     pthread_mutex_unlock(&plugin->mutex);  in mixer_plug_close()
363     pthread_mutex_destroy(&plugin->mutex);  in mixer_plug_close()
366         eventfd_read(plugin->eventfd, &evfd);  in mixer_plug_close()
369     plugin->ops->close(&plugin);  in mixer_plug_close()
413         /* TODO: plugin should support ioctl */  in mixer_plug_ioctl()
432     struct mixer_plugin *plugin = NULL;  in mixer_plugin_open()  local
492     ret = plug_data->mixer_plugin_open_fn(&plugin, card);  in mixer_plugin_open()
494         fprintf(stderr, "%s: failed to open plugin, err: %d\n",  in mixer_plugin_open()
499     plug_data->plugin = plugin;  in mixer_plugin_open()
502     plugin->eventfd = eventfd(0, EFD_SEMAPHORE);  in mixer_plugin_open()
503     pthread_mutex_init(&plugin->mutex, NULL);  in mixer_plugin_open()