32 struct card_data {  struct
38 	struct card_data *next;  argument
49 	struct card_data *card;
64 struct card_data *card_list = NULL;
107 	struct card_data *card_data;  in find_controls()  local
125 		card_data = malloc(sizeof(*card_data));  in find_controls()
126 		if (!card_data)  in find_controls()
129 		err = snd_ctl_open_lconf(&card_data->handle, name, 0, config);  in find_controls()
137 		snd_ctl_elem_list_malloc(&card_data->ctls);  in find_controls()
138 		snd_ctl_elem_list(card_data->handle, card_data->ctls);  in find_controls()
139 		card_data->num_ctls = snd_ctl_elem_list_get_count(card_data->ctls);  in find_controls()
142 		snd_ctl_elem_list_alloc_space(card_data->ctls, card_data->num_ctls);  in find_controls()
143 		snd_ctl_elem_list(card_data->handle, card_data->ctls);  in find_controls()
145 		card_data->card = num_cards++;  in find_controls()
146 		card_data->next = card_list;  in find_controls()
147 		card_list = card_data;  in find_controls()
149 		num_controls += card_data->num_ctls;  in find_controls()
151 		for (ctl = 0; ctl < card_data->num_ctls; ctl++) {  in find_controls()
157 			ctl_data->card = card_data;  in find_controls()
159 			ctl_data->name = snd_ctl_elem_list_get_name(card_data->ctls,  in find_controls()
174 			snd_ctl_elem_list_get_id(card_data->ctls, ctl,  in find_controls()
177 			err = snd_ctl_elem_info(card_data->handle,  in find_controls()
193 		err = snd_ctl_subscribe_events(card_data->handle, true);  in find_controls()
199 		err = snd_ctl_poll_descriptors_count(card_data->handle);  in find_controls()
205 		err = snd_ctl_poll_descriptors(card_data->handle,  in find_controls()
206 					       &card_data->pollfd, 1);  in find_controls()