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Commit 20ad21c0 authored by xsang's avatar xsang
Browse files

asoc: compress: support gapless playback in GKI mode 



Next track gapless mode requires stream state of running. Set
stream state to running after partial buffer, EOS and zero buffer.

Change-Id: I61e55989305cd495a9a03306ccecdd62b4f7504f
Signed-off-by: default avatarxsang <xsang@codeaurora.org>
parent 27e52b9f

asoc/msm-compress-q6-v2.c

+20 −2
Original line number Diff line number Diff line
@@ -711,6 +711,11 @@ static void compr_event_handler(uint32_t opcode, 
			pr_debug("%s: issue CMD_RUN", __func__);

			q6asm_run_nowait(prtd->audio_client, 0, 0, 0);

			snd_compr_drain_notify(cstream);

			/*

			 * Next track requires state of running. Otherwise,

			 * it fails.

			*/

			cstream->runtime->state = SNDRV_PCM_STATE_RUNNING;

			spin_unlock_irqrestore(&prtd->lock, flags);

			break;

		}
@@ -2550,9 +2555,7 @@ static int msm_compr_trigger(struct snd_compr_stream *cstream, int cmd) 
	struct audio_client *ac = prtd->audio_client;

	unsigned long fe_id = rtd->dai_link->id;

	int rc = 0;

#if IS_ENABLED(CONFIG_AUDIO_QGKI)

	int bytes_to_write;

#endif

	unsigned long flags;

	int stream_id;

	uint32_t stream_index;
@@ -2941,6 +2944,21 @@ static int msm_compr_trigger(struct snd_compr_stream *cstream, int cmd) 
			q6asm_run_nowait(prtd->audio_client, 0, 0, 0);

		}

#else

		if ((prtd->bytes_received > prtd->copied_total) &&

			(prtd->bytes_received < runtime->fragment_size)) {

			pr_debug("%s: send the only partial buffer to dsp\n",

					__func__);

			bytes_to_write = prtd->bytes_received

						- prtd->copied_total;

			if (bytes_to_write > 0) {

				pr_debug("%s: send %d partial bytes at the end",

						__func__, bytes_to_write);

				atomic_set(&prtd->xrun, 0);

				prtd->last_buffer = 1;

				msm_compr_send_buffer(prtd);

			}

		}



		atomic_set(&prtd->drain, 1);

		spin_unlock_irqrestore(&prtd->lock, flags);

#endif