Merge "asoc: vote for Glink Rx thread priority upgrade" (6b6dae73) · Commits · e / devices / android_kernel_fairphone_FP4

asoc/msm-pcm-q6-v2.c

+22 −0

Original line number	Diff line number	Diff line
		@@ -614,8 +614,15 @@ static int msm_pcm_open(struct snd_pcm_substream *substream)
		struct snd_pcm_runtime *runtime = substream->runtime;
		struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
		struct msm_audio *prtd;
		struct msm_plat_data *pdata;
		int ret = 0;

		pdata = (struct msm_plat_data *)
		dev_get_drvdata(soc_prtd->platform->dev);
		if (!pdata) {
		pr_err("%s: platform data not populated\n", __func__);
		return -EINVAL;
		}
		prtd = kzalloc(sizeof(struct msm_audio), GFP_KERNEL);
		if (prtd == NULL)
		return -ENOMEM;
		@@ -693,6 +700,10 @@ static int msm_pcm_open(struct snd_pcm_substream *substream)
		prtd->reset_event = false;
		runtime->private_data = prtd;
		msm_adsp_init_mixer_ctl_pp_event_queue(soc_prtd);
		/* Vote to update the Rx thread priority to RT Thread for playback */
		if ((substream->stream == SNDRV_PCM_STREAM_PLAYBACK) &&
		(pdata->perf_mode == LOW_LATENCY_PCM_MODE))
		apr_start_rx_rt(prtd->audio_client->apr);

		return 0;
		}
		@@ -800,6 +811,7 @@ static int msm_pcm_playback_close(struct snd_pcm_substream *substream)
		struct snd_pcm_runtime *runtime = substream->runtime;
		struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
		struct msm_audio *prtd = runtime->private_data;
		struct msm_plat_data *pdata;
		uint32_t timeout;
		int dir = 0;
		int ret = 0;
		@@ -809,6 +821,16 @@ static int msm_pcm_playback_close(struct snd_pcm_substream *substream)
		if (prtd->audio_client) {
		dir = IN;

		/*
		* Unvote to downgrade the Rx thread priority from
		* RT Thread for Low-Latency use case.
		*/
		pdata = (struct msm_plat_data *)
		dev_get_drvdata(soc_prtd->platform->dev);
		if (pdata) {
		if (pdata->perf_mode == LOW_LATENCY_PCM_MODE)
		apr_end_rx_rt(prtd->audio_client->apr);
		}
		/* determine timeout length */
		if (runtime->frame_bits == 0 \|\| runtime->rate == 0) {
		timeout = CMD_EOS_MIN_TIMEOUT_LENGTH;