int ril_open(struct ril_handle *ril)
{
char property[PROPERTY_VALUE_MAX];
if (!ril)
return -1;
ril->handle = dlopen(RIL_CLIENT_LIBPATH, RTLD_NOW);
if (!ril->handle) {
LOGE("Cannot open '%s'", RIL_CLIENT_LIBPATH);
return -1;
}
_ril_open_client = dlsym(ril->handle, "OpenClient_RILD");
_ril_close_client = dlsym(ril->handle, "CloseClient_RILD");
_ril_connect = dlsym(ril->handle, "Connect_RILD");
_ril_is_connected = dlsym(ril->handle, "isConnected_RILD");
_ril_disconnect = dlsym(ril->handle, "Disconnect_RILD");
_ril_set_call_volume = dlsym(ril->handle, "SetCallVolume");
_ril_set_call_audio_path = dlsym(ril->handle, "SetCallAudioPath");
_ril_set_call_clock_sync = dlsym(ril->handle, "SetCallClockSync");
_ril_register_unsolicited_handler = dlsym(ril->handle,
"RegisterUnsolicitedHandler");
if (!_ril_open_client || !_ril_close_client || !_ril_connect ||
!_ril_is_connected || !_ril_disconnect || !_ril_set_call_volume ||
!_ril_set_call_audio_path || !_ril_set_call_clock_sync ||
!_ril_register_unsolicited_handler) {
LOGE("Cannot get symbols from '%s'", RIL_CLIENT_LIBPATH);
dlclose(ril->handle);
return -1;
}
ril->client = _ril_open_client();
if (!ril->client) {
LOGE("ril_open_client() failed");
dlclose(ril->handle);
return -1;
}
property_get(VOLUME_STEPS_PROPERTY, property, VOLUME_STEPS_DEFAULT);
ril->volume_steps_max = atoi(property);
/* this catches the case where VOLUME_STEPS_PROPERTY does not contain
an integer */
if (ril->volume_steps_max == 0)
ril->volume_steps_max = atoi(VOLUME_STEPS_DEFAULT);
return 0;
}
int audio_ril_interface_open(struct audio_hw_device *dev, audio_devices_t device,
struct tinyalsa_audio_ril_interface **ril_interface)
{
struct audio_ril_interface *(*audio_ril_interface_open)(void);
struct tinyalsa_audio_device *tinyalsa_audio_device;
struct tinyalsa_audio_ril_interface *tinyalsa_audio_ril_interface;
struct audio_ril_interface *interface;
void *dl_handle;
int rc;
char property[PROPERTY_VALUE_MAX];
ALOGD("%s(%p, %d, %p)", __func__, dev, device, ril_interface);
if(dev == NULL || ril_interface == NULL)
return -EINVAL;
tinyalsa_audio_device = (struct tinyalsa_audio_device *) dev;
tinyalsa_audio_ril_interface = calloc(1, sizeof(struct tinyalsa_audio_ril_interface));
if(tinyalsa_audio_ril_interface == NULL)
return -ENOMEM;
tinyalsa_audio_ril_interface->device = tinyalsa_audio_device;
tinyalsa_audio_device->ril_interface = tinyalsa_audio_ril_interface;
dl_handle = dlopen(RIL_CLIENT_LIBPATH, RTLD_NOW);
if(dl_handle == NULL) {
ALOGE("Unable to dlopen lib: %s", RIL_CLIENT_LIBPATH);
goto error_interface;
}
_ril_open_client = dlsym(dl_handle, "OpenClient_RILD");
_ril_close_client = dlsym(dl_handle, "CloseClient_RILD");
_ril_connect = dlsym(dl_handle, "Connect_RILD");
_ril_is_connected = dlsym(dl_handle, "isConnected_RILD");
_ril_disconnect = dlsym(dl_handle, "Disconnect_RILD");
_ril_set_call_volume = dlsym(dl_handle, "SetCallVolume");
_ril_set_call_audio_path = dlsym(dl_handle, "SetCallAudioPath");
_ril_set_call_clock_sync = dlsym(dl_handle, "SetCallClockSync");
_ril_set_call_twomic = dlsym(dl_handle, "SetTwoMicControl");
_ril_register_unsolicited_handler = dlsym(dl_handle,
"RegisterUnsolicitedHandler");
/* since this function is not supported in all RILs, don't require it */
_ril_get_wb_amr = dlsym(dl_handle, "GetWB_AMR");
if (!_ril_open_client || !_ril_close_client || !_ril_connect ||
!_ril_is_connected || !_ril_disconnect || !_ril_set_call_volume ||
!_ril_set_call_audio_path || !_ril_set_call_clock_sync ||
!_ril_register_unsolicited_handler || !_ril_set_call_twomic) {
ALOGE("Cannot get symbols from '%s'", RIL_CLIENT_LIBPATH);
dlclose(dl_handle);
goto error_interface;
}
interface = _ril_open_client();
if(interface == NULL) {
ALOGE("Unable to open audio ril interface");
goto error_interface;
}
tinyalsa_audio_ril_interface->interface = interface;
tinyalsa_audio_ril_interface->dl_handle = dl_handle;
property_get(VOLUME_STEPS_PROPERTY, property, VOLUME_STEPS_DEFAULT);
tinyalsa_audio_ril_interface->volume_steps_max = atoi(property);
/* this catches the case where VOLUME_STEPS_PROPERTY does not contain
an integer */
if (tinyalsa_audio_ril_interface->volume_steps_max == 0)
tinyalsa_audio_ril_interface->volume_steps_max = atoi(VOLUME_STEPS_DEFAULT);
if(device) {
tinyalsa_audio_ril_interface->device_current = device;
audio_ril_interface_set_route(tinyalsa_audio_ril_interface, device);
}
*ril_interface = tinyalsa_audio_ril_interface;
return 0;
error_interface:
*ril_interface = NULL;
free(tinyalsa_audio_ril_interface);
tinyalsa_audio_device->ril_interface = NULL;
if(dl_handle != NULL)
dlclose(dl_handle);
return -1;
}