127 void mixer_close(struct mixer *mixer)  in mixer_close()  argument
131     if (mixer->fd >= 0)  in mixer_close()
132         close(mixer->fd);  in mixer_close()
134     if (mixer->ctl) {  in mixer_close()
135         for (n = 0; n < mixer->count; n++) {  in mixer_close()
136             if (mixer->ctl[n].ename) {  in mixer_close()
137                 unsigned max = mixer->ctl[n].info->value.enumerated.items;  in mixer_close()
139                     free(mixer->ctl[n].ename[m]);  in mixer_close()
140                 free(mixer->ctl[n].ename);  in mixer_close()
143         free(mixer->ctl);  in mixer_close()
146     if (mixer->info)  in mixer_close()
147         free(mixer->info);  in mixer_close()
149     free(mixer);  in mixer_close()
152 struct mixer *mixer_open(const char *device)  in mixer_open()
157     struct mixer *mixer = NULL;  in mixer_open()  local
173     mixer = calloc(1, sizeof(*mixer));  in mixer_open()
174     if (!mixer)  in mixer_open()
177     mixer->ctl = calloc(elist.count, sizeof(struct mixer_ctl));  in mixer_open()
178     mixer->info = calloc(elist.count, sizeof(struct snd_ctl_elem_info));  in mixer_open()
179     if (!mixer->ctl || !mixer->info)  in mixer_open()
186     mixer->count = elist.count;  in mixer_open()
187     mixer->fd = fd;  in mixer_open()
188     elist.space = mixer->count;  in mixer_open()
193     for (n = 0; n < mixer->count; n++) {  in mixer_open()
194         struct snd_ctl_elem_info *ei = mixer->info + n;  in mixer_open()
198         mixer->ctl[n].info = ei;  in mixer_open()
199         mixer->ctl[n].mixer = mixer;  in mixer_open()
204             mixer->ctl[n].ename = enames;  in mixer_open()
219     return mixer;  in mixer_open()
224     if (mixer)  in mixer_open()
225         mixer_close(mixer);  in mixer_open()
231 void mixer_dump(struct mixer *mixer)  in mixer_dump()  argument
236     for (n = 0; n < mixer->count; n++) {  in mixer_dump()
238         struct snd_ctl_elem_info *ei = mixer->info + n;  in mixer_dump()
273             ALOGV(" { %s=0", mixer->ctl[n].ename[0]);  in mixer_dump()
275                 ALOGV(", %s=%d", mixer->ctl[n].ename[m],m);  in mixer_dump()
284 struct mixer_ctl *mixer_get_control(struct mixer *mixer,  in mixer_get_control()  argument
288     for (n = 0; n < mixer->count; n++) {  in mixer_get_control()
289         if (mixer->info[n].id.index == index) {  in mixer_get_control()
290             if (!strncmp(name, (char*) mixer->info[n].id.name,  in mixer_get_control()
291 			sizeof(mixer->info[n].id.name))) {  in mixer_get_control()
292                 return mixer->ctl + n;  in mixer_get_control()
299 struct mixer_ctl *mixer_get_nth_control(struct mixer *mixer, unsigned n)  in mixer_get_nth_control()  argument
301     if (n < mixer->count)  in mixer_get_nth_control()
302         return mixer->ctl + n;  in mixer_get_nth_control()
329         if (ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_TLV_READ, xtlv) < 0) {  in mixer_ctl_read_tlv()
416     if (ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_READ, &ev))  in mixer_ctl_get()
519     return ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_WRITE, &ev);  in mixer_ctl_mulvalues()
603     return ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_WRITE, &ev);  in mixer_ctl_set()
684     return ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_WRITE, &ev);  in set_volume_simple()
744             if (ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_WRITE, &ev) < 0)  in mixer_ctl_select()