82     struct audio_route *ar;  member
121 static inline struct mixer_ctl *index_to_ctl(struct audio_route *ar,  in index_to_ctl()  argument
124     return ar->mixer_state[ctl_index].ctl;  in index_to_ctl()
128 static void path_print(struct audio_route *ar, struct mixer_path *path)
135         struct mixer_ctl *ctl = index_to_ctl(ar, path->setting[i].ctl_index);
152 static void path_free(struct audio_route *ar)  in path_free()  argument
156     for (i = 0; i < ar->num_mixer_paths; i++) {  in path_free()
157         free(ar->mixer_path[i].name);  in path_free()
158         if (ar->mixer_path[i].setting) {  in path_free()
160             for (j = 0; j < ar->mixer_path[i].length; j++) {  in path_free()
161                 free(ar->mixer_path[i].setting[j].value.ptr);  in path_free()
163             free(ar->mixer_path[i].setting);  in path_free()
164             ar->mixer_path[i].size = 0;  in path_free()
165             ar->mixer_path[i].length = 0;  in path_free()
166             ar->mixer_path[i].setting = NULL;  in path_free()
169     free(ar->mixer_path);  in path_free()
170     ar->mixer_path = NULL;  in path_free()
171     ar->mixer_path_size = 0;  in path_free()
172     ar->num_mixer_paths = 0;  in path_free()
175 static struct mixer_path *path_get_by_name(struct audio_route *ar,  in path_get_by_name()  argument
180     for (i = 0; i < ar->num_mixer_paths; i++)  in path_get_by_name()
181         if (strcmp(ar->mixer_path[i].name, name) == 0)  in path_get_by_name()
182             return &ar->mixer_path[i];  in path_get_by_name()
187 static struct mixer_path *path_create(struct audio_route *ar, const char *name)  in path_create()  argument
191     if (path_get_by_name(ar, name)) {  in path_create()
197     if (ar->mixer_path_size <= ar->num_mixer_paths) {  in path_create()
198         if (ar->mixer_path_size == 0)  in path_create()
199             ar->mixer_path_size = INITIAL_MIXER_PATH_SIZE;  in path_create()
201             ar->mixer_path_size *= 2;  in path_create()
203         new_mixer_path = realloc(ar->mixer_path, ar->mixer_path_size *  in path_create()
209             ar->mixer_path = new_mixer_path;  in path_create()
214     ar->mixer_path[ar->num_mixer_paths].name = strdup(name);  in path_create()
215     ar->mixer_path[ar->num_mixer_paths].size = 0;  in path_create()
216     ar->mixer_path[ar->num_mixer_paths].length = 0;  in path_create()
217     ar->mixer_path[ar->num_mixer_paths].setting = NULL;  in path_create()
220     return &ar->mixer_path[ar->num_mixer_paths++];  in path_create()
263 static int path_add_setting(struct audio_route *ar, struct mixer_path *path,  in path_add_setting()  argument
269         struct mixer_ctl *ctl = index_to_ctl(ar, setting->ctl_index);  in path_add_setting()
299 static int path_add_value(struct audio_route *ar, struct mixer_path *path,  in path_add_value()  argument
308     ctl = index_to_ctl(ar, mixer_value->ctl_index);  in path_add_value()
369 static int path_add_path(struct audio_route *ar, struct mixer_path *path,  in path_add_path()  argument
375         if (path_add_setting(ar, path, &sub_path->setting[i]) < 0)  in path_add_path()
381 static int path_apply(struct audio_route *ar, struct mixer_path *path)  in path_apply()  argument
391         ctl = index_to_ctl(ar, ctl_index);  in path_apply()
396         memcpy(ar->mixer_state[ctl_index].new_value.ptr, path->setting[i].value.ptr,  in path_apply()
403 static int path_reset(struct audio_route *ar, struct mixer_path *path)  in path_reset()  argument
413         ctl = index_to_ctl(ar, ctl_index);  in path_reset()
419         memcpy(ar->mixer_state[ctl_index].new_value.ptr,  in path_reset()
420                ar->mixer_state[ctl_index].reset_value.ptr,  in path_reset()
421                ar->mixer_state[ctl_index].num_values * value_sz);  in path_reset()
459     struct audio_route *ar = state->ar;  in start_tag()  local
485                 state->path = path_create(ar, (char *)attr_name);  in start_tag()
490                 struct mixer_path *sub_path = path_get_by_name(ar, attr_name);  in start_tag()
494                     path_add_path(ar, state->path, sub_path);  in start_tag()
502         ctl = mixer_get_ctl_by_name(ar->mixer, attr_name);  in start_tag()
525         for (ctl_index = 0; ctl_index < ar->num_mixer_ctls; ctl_index++) {  in start_tag()
526             if (ar->mixer_state[ctl_index].ctl == ctl)  in start_tag()
539                     if (id < ar->mixer_state[ctl_index].num_values)  in start_tag()
541                             ar->mixer_state[ctl_index].new_value.bytes[id] = value;  in start_tag()
543                             ar->mixer_state[ctl_index].new_value.enumerated[id] = value;  in start_tag()
545                             ar->mixer_state[ctl_index].new_value.integer[id] = value;  in start_tag()
551                     for (i = 0; i < ar->mixer_state[ctl_index].num_values; i++)  in start_tag()
553                             ar->mixer_state[ctl_index].new_value.bytes[i] = value;  in start_tag()
555                             ar->mixer_state[ctl_index].new_value.enumerated[i] = value;  in start_tag()
557                             ar->mixer_state[ctl_index].new_value.integer[i] = value;  in start_tag()
569                 path_add_value(ar, state->path, &mixer_value);  in start_tag()
585 static int alloc_mixer_state(struct audio_route *ar)  in alloc_mixer_state()  argument
592     ar->num_mixer_ctls = mixer_get_num_ctls(ar->mixer);  in alloc_mixer_state()
593     ar->mixer_state = calloc(ar->num_mixer_ctls, sizeof(struct mixer_state));  in alloc_mixer_state()
594     if (!ar->mixer_state)  in alloc_mixer_state()
597     for (i = 0; i < ar->num_mixer_ctls; i++) {  in alloc_mixer_state()
598         ctl = mixer_get_ctl(ar->mixer, i);  in alloc_mixer_state()
601         ar->mixer_state[i].ctl = ctl;  in alloc_mixer_state()
602         ar->mixer_state[i].num_values = num_values;  in alloc_mixer_state()
603         ar->mixer_state[i].active_count = 0;  in alloc_mixer_state()
612         ar->mixer_state[i].old_value.ptr = calloc(num_values, value_sz);  in alloc_mixer_state()
613         ar->mixer_state[i].new_value.ptr = calloc(num_values, value_sz);  in alloc_mixer_state()
614         ar->mixer_state[i].reset_value.ptr = calloc(num_values, value_sz);  in alloc_mixer_state()
617             ar->mixer_state[i].old_value.enumerated[0] = mixer_ctl_get_value(ctl, 0);  in alloc_mixer_state()
619             mixer_ctl_get_array(ctl, ar->mixer_state[i].old_value.ptr, num_values);  in alloc_mixer_state()
621         memcpy(ar->mixer_state[i].new_value.ptr, ar->mixer_state[i].old_value.ptr,  in alloc_mixer_state()
628 static void free_mixer_state(struct audio_route *ar)  in free_mixer_state()  argument
633     for (i = 0; i < ar->num_mixer_ctls; i++) {  in free_mixer_state()
634         type = mixer_ctl_get_type(ar->mixer_state[i].ctl);  in free_mixer_state()
638         free(ar->mixer_state[i].old_value.ptr);  in free_mixer_state()
639         free(ar->mixer_state[i].new_value.ptr);  in free_mixer_state()
640         free(ar->mixer_state[i].reset_value.ptr);  in free_mixer_state()
643     free(ar->mixer_state);  in free_mixer_state()
644     ar->mixer_state = NULL;  in free_mixer_state()
648 int audio_route_update_mixer(struct audio_route *ar)  in audio_route_update_mixer()  argument
654     for (i = 0; i < ar->num_mixer_ctls; i++) {  in audio_route_update_mixer()
655         unsigned int num_values = ar->mixer_state[i].num_values;  in audio_route_update_mixer()
658         ctl = ar->mixer_state[i].ctl;  in audio_route_update_mixer()
669 …              if (ar->mixer_state[i].old_value.bytes[j] != ar->mixer_state[i].new_value.bytes[j]) {  in audio_route_update_mixer()
676                  if (ar->mixer_state[i].old_value.enumerated[j]  in audio_route_update_mixer()
677                          != ar->mixer_state[i].new_value.enumerated[j]) {  in audio_route_update_mixer()
684 …          if (ar->mixer_state[i].old_value.integer[j] != ar->mixer_state[i].new_value.integer[j]) {  in audio_route_update_mixer()
692                 mixer_ctl_set_value(ctl, 0, ar->mixer_state[i].new_value.enumerated[0]);  in audio_route_update_mixer()
694                 mixer_ctl_set_array(ctl, ar->mixer_state[i].new_value.ptr, num_values);  in audio_route_update_mixer()
697             memcpy(ar->mixer_state[i].old_value.ptr, ar->mixer_state[i].new_value.ptr,  in audio_route_update_mixer()
706 static void save_mixer_state(struct audio_route *ar)  in save_mixer_state()  argument
711     for (i = 0; i < ar->num_mixer_ctls; i++) {  in save_mixer_state()
712         type = mixer_ctl_get_type(ar->mixer_state[i].ctl);  in save_mixer_state()
717         memcpy(ar->mixer_state[i].reset_value.ptr, ar->mixer_state[i].new_value.ptr,  in save_mixer_state()
718                ar->mixer_state[i].num_values * value_sz);  in save_mixer_state()
723 void audio_route_reset(struct audio_route *ar)  in audio_route_reset()  argument
729     for (i = 0; i < ar->num_mixer_ctls; i++) {  in audio_route_reset()
730         type = mixer_ctl_get_type(ar->mixer_state[i].ctl);  in audio_route_reset()
735         memcpy(ar->mixer_state[i].new_value.ptr, ar->mixer_state[i].reset_value.ptr,  in audio_route_reset()
736             ar->mixer_state[i].num_values * value_sz);  in audio_route_reset()
741 int audio_route_apply_path(struct audio_route *ar, const char *name)  in audio_route_apply_path()  argument
745     if (!ar) {  in audio_route_apply_path()
750     path = path_get_by_name(ar, name);  in audio_route_apply_path()
756     path_apply(ar, path);  in audio_route_apply_path()
762 int audio_route_reset_path(struct audio_route *ar, const char *name)  in audio_route_reset_path()  argument
766     if (!ar) {  in audio_route_reset_path()
771     path = path_get_by_name(ar, name);  in audio_route_reset_path()
777     path_reset(ar, path);  in audio_route_reset_path()
786 static int audio_route_update_path(struct audio_route *ar, const char *name, bool reverse)  in audio_route_update_path()  argument
791     if (!ar) {  in audio_route_update_path()
796     path = path_get_by_name(ar, name);  in audio_route_update_path()
808         struct mixer_state * ms = &ar->mixer_state[ctl_index];  in audio_route_update_path()
871 int audio_route_apply_and_update_path(struct audio_route *ar, const char *name)  in audio_route_apply_and_update_path()  argument
873     if (audio_route_apply_path(ar, name) < 0) {  in audio_route_apply_and_update_path()
876     return audio_route_update_path(ar, name, false /*reverse*/);  in audio_route_apply_and_update_path()
879 int audio_route_reset_and_update_path(struct audio_route *ar, const char *name)  in audio_route_reset_and_update_path()  argument
881     if (audio_route_reset_path(ar, name) < 0) {  in audio_route_reset_and_update_path()
884     return audio_route_update_path(ar, name, true /*reverse*/);  in audio_route_reset_and_update_path()
894     struct audio_route *ar;  in audio_route_init()  local
896     ar = calloc(1, sizeof(struct audio_route));  in audio_route_init()
897     if (!ar)  in audio_route_init()
900     ar->mixer = mixer_open(card);  in audio_route_init()
901     if (!ar->mixer) {  in audio_route_init()
906     ar->mixer_path = NULL;  in audio_route_init()
907     ar->mixer_path_size = 0;  in audio_route_init()
908     ar->num_mixer_paths = 0;  in audio_route_init()
911     if (alloc_mixer_state(ar) < 0)  in audio_route_init()
932     state.ar = ar;  in audio_route_init()
957     audio_route_update_mixer(ar);  in audio_route_init()
958     save_mixer_state(ar);  in audio_route_init()
962     return ar;  in audio_route_init()
965     path_free(ar);  in audio_route_init()
970     free_mixer_state(ar);  in audio_route_init()
972     mixer_close(ar->mixer);  in audio_route_init()
974     free(ar);  in audio_route_init()
975     ar = NULL;  in audio_route_init()
980 void audio_route_free(struct audio_route *ar)  in audio_route_free()  argument
982     free_mixer_state(ar);  in audio_route_free()
983     mixer_close(ar->mixer);  in audio_route_free()
984     path_free(ar);  in audio_route_free()
985     free(ar);  in audio_route_free()