Cross Reference: /external/tinyalsa/mixer.c

Lines Matching refs:ctl
56     struct mixer_ctl *ctl;
70     if (mixer->ctl) {
72             if (mixer->ctl[n].ename) {
73                 unsigned int max = mixer->ctl[n].info->value.enumerated.items;
75                     free(mixer->ctl[n].ename[m]);
76                 free(mixer->ctl[n].ename);
79         free(mixer->ctl);
113     mixer->ctl = calloc(elist.count, sizeof(struct mixer_ctl));
115     if (!mixer->ctl || !mixer->info)
134         mixer->ctl[n].info = ei;
135         mixer->ctl[n].mixer = mixer;
140             mixer->ctl[n].ename = enames;
179         return mixer->ctl + id;
193             return mixer->ctl + n;
198 const char *mixer_ctl_get_name(struct mixer_ctl *ctl)
200     if (!ctl)
203     return (const char *)ctl->info->id.name;
206 enum mixer_ctl_type mixer_ctl_get_type(struct mixer_ctl *ctl)
208     if (!ctl)
211     switch (ctl->info->type) {
222 const char *mixer_ctl_get_type_string(struct mixer_ctl *ctl)
224     if (!ctl)
227     switch (ctl->info->type) {
238 unsigned int mixer_ctl_get_num_values(struct mixer_ctl *ctl)
240     if (!ctl)
243     return ctl->info->count;
270 int mixer_ctl_get_percent(struct mixer_ctl *ctl, unsigned int id)
272     if (!ctl || (ctl->info->type != SNDRV_CTL_ELEM_TYPE_INTEGER))
275     return int_to_percent(ctl->info, mixer_ctl_get_value(ctl, id));
278 int mixer_ctl_set_percent(struct mixer_ctl *ctl, unsigned int id, int percent)
280     if (!ctl || (ctl->info->type != SNDRV_CTL_ELEM_TYPE_INTEGER))
283     return mixer_ctl_set_value(ctl, id, percent_to_int(ctl->info, percent));
286 int mixer_ctl_get_value(struct mixer_ctl *ctl, unsigned int id)
291     if (!ctl || (id >= ctl->info->count))
295     ev.id.numid = ctl->info->id.numid;
296     ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_READ, &ev);
300     switch (ctl->info->type) {
320 int mixer_ctl_set_value(struct mixer_ctl *ctl, unsigned int id, int value)
325     if (!ctl || (id >= ctl->info->count))
329     ev.id.numid = ctl->info->id.numid;
330     ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_READ, &ev);
334     switch (ctl->info->type) {
351     return ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_WRITE, &ev);
354 int mixer_ctl_get_range_min(struct mixer_ctl *ctl)
358     if (!ctl || (ctl->info->type != SNDRV_CTL_ELEM_TYPE_INTEGER))
361     return ctl->info->value.integer.min;
364 int mixer_ctl_get_range_max(struct mixer_ctl *ctl)
368     if (!ctl || (ctl->info->type != SNDRV_CTL_ELEM_TYPE_INTEGER))
371     return ctl->info->value.integer.max;
374 unsigned int mixer_ctl_get_num_enums(struct mixer_ctl *ctl)
376     if (!ctl)
379     return ctl->info->value.enumerated.items;
382 const char *mixer_ctl_get_enum_string(struct mixer_ctl *ctl,
387     if (!ctl || (ctl->info->type != SNDRV_CTL_ELEM_TYPE_ENUMERATED) ||
388         (enum_id >= ctl->info->value.enumerated.items))
391     return (const char *)ctl->ename[enum_id];
394 int mixer_ctl_set_enum_by_string(struct mixer_ctl *ctl, const char *string)
400     if (!ctl || (ctl->info->type != SNDRV_CTL_ELEM_TYPE_ENUMERATED))
403     num_enums = ctl->info->value.enumerated.items;
405         if (!strcmp(string, ctl->ename[i])) {
408             ev.id.numid = ctl->info->id.numid;
409             ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_WRITE, &ev);