sound/core/control_led.c

104 static int snd_ctl_led_get(struct snd_ctl_led_ctl *lctl)
108 	struct snd_kcontrol *kctl = lctl->kctl;
114 	info.id.index += lctl->index_offset;
115 	info.id.numid += lctl->index_offset;
141 	struct snd_ctl_led_ctl *lctl;
154 		list_for_each_entry(lctl, &led->controls, list) {
155 			if (lctl->kctl == kctl && lctl->index_offset == ioff)
157 			UPDATE_ROUTE(route, snd_ctl_led_get(lctl));
160 			lctl = kzalloc(sizeof(*lctl), GFP_KERNEL);
161 			if (lctl) {
162 				lctl->card = card;
163 				lctl->access = access;
164 				lctl->kctl = kctl;
165 				lctl->index_offset = ioff;
166 				list_add(&lctl->list, &led->controls);
167 				UPDATE_ROUTE(route, snd_ctl_led_get(lctl));
184 	struct snd_ctl_led_ctl *lctl;
189 		list_for_each_entry(lctl, controls, list)
190 			if (lctl->kctl == kctl && lctl->index_offset == ioff)
191 				return lctl;
199 	struct snd_ctl_led_ctl *lctl;
203 	lctl = snd_ctl_led_find(kctl, ioff);
204 	if (lctl && (access == 0 || access != lctl->access)) {
205 		ret = lctl->access;
206 		list_del(&lctl->list);
207 		kfree(lctl);
279 static void snd_ctl_led_ctl_destroy(struct snd_ctl_led_ctl *lctl)
281 	list_del(&lctl->list);
282 	kfree(lctl);
289 	struct snd_ctl_led_ctl *lctl;
294 		list_for_each_entry(lctl, &led->controls, list)
295 			if (!card || lctl->card == card) {
296 				snd_ctl_led_ctl_destroy(lctl);
306 	struct snd_ctl_led_ctl *lctl;
319 		list_for_each_entry(lctl, &led->controls, list)
320 			if (lctl->card == card) {
321 				vd = &lctl->kctl->vd[lctl->index_offset];
323 				snd_ctl_led_ctl_destroy(lctl);
602 	struct snd_ctl_led_ctl *lctl;
611 		list_for_each_entry(lctl, &led_card->led->controls, list) {
612 			if (lctl->card != card)
617 					   lctl->kctl->id.numid + lctl->index_offset);