audio: set hotword input for soundtrigger only (a5d09cec) · Commits · e / os / android_hardware_qcom_audio

hal/audio_hw.c

+6 −3

Original line number	Diff line number	Diff line
		@@ -4107,7 +4107,7 @@ static int in_standby(struct audio_stream *stream)

		lock_input_stream(in);

		if (!in->standby && in->is_st_session) {
		if (!in->standby && (in->flags & AUDIO_INPUT_FLAG_HW_HOTWORD)) {
		ALOGV("%s: sound trigger pcm stop lab", __func__);
		audio_extn_sound_trigger_stop_lab(in);
		in->standby = true;
		@@ -4347,7 +4347,7 @@ static ssize_t in_read(struct audio_stream_in stream, void buffer,
		const size_t frame_size = audio_stream_in_frame_size(stream);
		const size_t frames = bytes / frame_size;

		if (in->is_st_session) {
		if (in->flags & AUDIO_INPUT_FLAG_HW_HOTWORD) {
		ALOGVV(" %s: reading on st session bytes=%zu", __func__, bytes);
		/* Read from sound trigger HAL */
		audio_extn_sound_trigger_read(in, buffer, bytes);
		@@ -4460,7 +4460,7 @@ static int in_get_capture_position(const struct audio_stream_in *stream,
		// on standby. Therefore, we may return an error even though the
		// pcm stream is still opened.
		if (in->standby) {
		ALOGE_IF(in->pcm != NULL && !in->is_st_session,
		ALOGE_IF(in->pcm != NULL && !(in->flags & AUDIO_INPUT_FLAG_HW_HOTWORD),
		"%s stream in standby but pcm not NULL for non ST session", __func__);
		goto exit;
		}
		@@ -6077,6 +6077,9 @@ static int adev_open_input_stream(struct audio_hw_device *dev,
		get sound trigger pcm if present */
		audio_extn_sound_trigger_check_and_get_session(in);

		if (in->is_st_session)
		in->flags \|= AUDIO_INPUT_FLAG_HW_HOTWORD;

		lock_input_stream(in);
		audio_extn_snd_mon_register_listener(in, in_snd_mon_cb);
		pthread_mutex_lock(&adev->lock);