Change event callback for audio jack connection state
By Radosław Wielgórski
Detects if connection of audio jack port state changed. Using runtime information change system feature.
#include <runtime_info.h>
#include <dlog.h> // for logging purposes
void
audio_jack_connection_cb(runtime_info_key_e key, void *user_data) {
int value;
if(key != RUNTIME_INFO_KEY_AUDIO_JACK_STATUS)
return;
if(runtime_info_get_value_int(key, &value) == RUNTIME_INFO_ERROR_NONE) {
if(value != RUNTIME_INFO_AUDIO_JACK_STATUS_UNCONNECTED)
LOGI("Audio jack connected");
else
LOGI("Audio jack disconnected");
}
}
void
audio_jack_status_changed() {
int ret;
ret = runtime_info_set_changed_cb(RUNTIME_INFO_KEY_AUDIO_JACK_STATUS, audio_jack_connection_cb, NULL);
if(ret != RUNTIME_INFO_ERROR_NONE)
LOGE("Error occurred");
}