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     plugin->event_cnt++;  in mixer_plug_notifier_cb()
136     eventfd_write(plugin->eventfd, 1);  in mixer_plug_notifier_cb()
144     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_read_event()  local
148     result = plugin->ops->read_event(plugin, (struct ctl_event *)ev, size);  in mixer_plug_read_event()
151         plugin->event_cnt -=  result / sizeof(struct snd_ctl_event);  in mixer_plug_read_event()
152         if (plugin->event_cnt <= 0) {  in mixer_plug_read_event()
153             plugin->event_cnt = 0;  in mixer_plug_read_event()
154             eventfd_read(plugin->eventfd, &evfd);  in mixer_plug_read_event()
164     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_subscribe_events()  local
168         *subscribe = plugin->subscribed;  in mixer_plug_subscribe_events()
172     if (*subscribe && !plugin->subscribed) {  in mixer_plug_subscribe_events()
173         plugin->ops->subscribe_events(plugin, &mixer_plug_notifier_cb);  in mixer_plug_subscribe_events()
174     } else if (plugin->subscribed && !*subscribe) {  in mixer_plug_subscribe_events()
175         plugin->ops->subscribe_events(plugin, NULL);  in mixer_plug_subscribe_events()
177         if (plugin->event_cnt)  in mixer_plug_subscribe_events()
178             eventfd_read(plugin->eventfd, &evfd);  in mixer_plug_subscribe_events()
180         plugin->event_cnt = 0;  in mixer_plug_subscribe_events()
183     plugin->subscribed = *subscribe;  in mixer_plug_subscribe_events()
190     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_get_poll_fd()  local
192     if (plugin->eventfd != -1) {  in mixer_plug_get_poll_fd()
193         pfd[count].fd = plugin->eventfd;  in mixer_plug_get_poll_fd()
202     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_tlv_write()  local
206     ctl = plugin->controls + tlv->numid;  in mixer_plug_tlv_write()
209     return val_tlv->put(plugin, ctl, tlv);  in mixer_plug_tlv_write()
215     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_tlv_read()  local
219     ctl = plugin->controls + tlv->numid;  in mixer_plug_tlv_read()
222     return val_tlv->get(plugin, ctl, tlv);  in mixer_plug_tlv_read()
228     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_elem_write()  local
236     ctl = plugin->controls + ev->id.numid;  in mixer_plug_elem_write()
238     return ctl->put(plugin, ctl, ev);  in mixer_plug_elem_write()
244     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_elem_read()  local
252     ctl = plugin->controls + ev->id.numid;  in mixer_plug_elem_read()
254     return ctl->get(plugin, ctl, ev);  in mixer_plug_elem_read()
261     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_get_elem_info()  local
270     ctl = plugin->controls + einfo->id.numid;  in mixer_plug_get_elem_info()
301     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_get_elem_list()  local
306     elist->count = plugin->num_controls;  in mixer_plug_get_elem_list()
343     struct mixer_plugin *plugin = plug_data->plugin;  in mixer_plug_close()  local
346     if (plugin->event_cnt)  in mixer_plug_close()
347         eventfd_read(plugin->eventfd, &evfd);  in mixer_plug_close()
349     plugin->ops->close(&plugin);  in mixer_plug_close()
393         /* TODO: plugin should support ioctl */  in mixer_plug_ioctl()
412     struct mixer_plugin *plugin = NULL;  in mixer_plugin_open()  local
472     ret = plug_data->mixer_plugin_open_fn(&plugin, card);  in mixer_plugin_open()
474         fprintf(stderr, "%s: failed to open plugin, err: %d\n",  in mixer_plugin_open()
479     plug_data->plugin = plugin;  in mixer_plugin_open()
482     plugin->eventfd = eventfd(0, 0);  in mixer_plugin_open()