static int path_add_setting(struct audio_route *ar, struct mixer_path *path,
struct mixer_setting *setting)
{
int path_index;
if (find_ctl_index_in_path(path, setting->ctl_index) != -1) {
struct mixer_ctl *ctl = index_to_ctl(ar, setting->ctl_index);
ALOGE("Control '%s' already exists in path '%s'",
mixer_ctl_get_name(ctl), path->name);
return -1;
}
path_index = alloc_path_setting(path);
if (path_index < 0)
return -1;
path->setting[path_index].ctl_index = setting->ctl_index;
path->setting[path_index].num_values = setting->num_values;
path->setting[path_index].value = malloc(setting->num_values * sizeof(int));
/* copy all values */
memcpy(path->setting[path_index].value, setting->value,
setting->num_values * sizeof(int));
return 0;
}
static void path_print(struct audio_route *ar, struct mixer_path *path)
{
unsigned int i;
unsigned int j;
ALOGE("Path: %s, length: %d", path->name, path->length);
for (i = 0; i < path->length; i++) {
struct mixer_ctl *ctl = index_to_ctl(ar, path->setting[i].ctl_index);
ALOGE(" id=%d: ctl=%s", i, mixer_ctl_get_name(ctl));
for (j = 0; j < path->setting[i].num_values; j++)
ALOGE(" id=%d value=%d", j, path->setting[i].value[j]);
}
}
static int path_add_value(struct audio_route *ar, struct mixer_path *path,
struct mixer_value *mixer_value)
{
unsigned int i;
int path_index;
unsigned int num_values;
struct mixer_ctl *ctl;
/* Check that mixer value index is within range */
ctl = index_to_ctl(ar, mixer_value->ctl_index);
num_values = mixer_ctl_get_num_values(ctl);
if (mixer_value->index >= (int)num_values) {
ALOGE("mixer index %d is out of range for '%s'", mixer_value->index,
mixer_ctl_get_name(ctl));
return -1;
}
path_index = find_ctl_index_in_path(path, mixer_value->ctl_index);
if (path_index < 0) {
/* New path */
path_index = alloc_path_setting(path);
if (path_index < 0)
return -1;
/* initialise the new path setting */
path->setting[path_index].ctl_index = mixer_value->ctl_index;
path->setting[path_index].num_values = num_values;
path->setting[path_index].value = malloc(num_values * sizeof(int));
path->setting[path_index].value[0] = mixer_value->value;
}
if (mixer_value->index == -1) {
/* set all values the same */
for (i = 0; i < num_values; i++)
path->setting[path_index].value[i] = mixer_value->value;
} else {
/* set only one value */
path->setting[path_index].value[mixer_value->index] = mixer_value->value;
}
return 0;
}
static int path_apply(struct audio_route *ar, struct mixer_path *path)
{
unsigned int i;
unsigned int ctl_index;
struct mixer_ctl *ctl;
enum mixer_ctl_type type;
for (i = 0; i < path->length; i++) {
ctl_index = path->setting[i].ctl_index;
ctl = index_to_ctl(ar, ctl_index);
type = mixer_ctl_get_type(ctl);
if (!is_supported_ctl_type(type))
continue;
/* apply the new value(s) */
memcpy(ar->mixer_state[ctl_index].new_value, path->setting[i].value,
path->setting[i].num_values * sizeof(int));
}
return 0;
}
