audio_infoframe
struct hdmi_audio_infoframe *audio_infoframe;
audio_infoframe = &hdata->audio.infoframe;
hdmi_audio_infoframe_init(audio_infoframe);
audio_infoframe->coding_type = HDMI_AUDIO_CODING_TYPE_STREAM;
audio_infoframe->sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
audio_infoframe->sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;
audio_infoframe->channels = 2;
union audio_infoframe ai;