Patch "ASoC: SOF: ipc4-pcm: Invalidate the stream_start_offset in PAUSED state" has been added to the 6.8-stable tree

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This is a note to let you know that I've just added the patch titled

    ASoC: SOF: ipc4-pcm: Invalidate the stream_start_offset in PAUSED state

to the 6.8-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     asoc-sof-ipc4-pcm-invalidate-the-stream_start_offset-in-paused-state.patch
and it can be found in the queue-6.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 3ce3bc36d91510389955b47e36ea4c4e94fcbdd3 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Date: Thu, 21 Mar 2024 15:08:10 +0200
Subject: ASoC: SOF: ipc4-pcm: Invalidate the stream_start_offset in PAUSED state

From: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>

commit 3ce3bc36d91510389955b47e36ea4c4e94fcbdd3 upstream.

When the final state is SOF_IPC4_PIPE_PAUSED, it is possible that the
stream will be restarted (resume or start) in which case we need to update
the offset from the firmware.

Cc: stable@xxxxxxxxxxxxxxx # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Link: https://msgid.link/r/20240321130814.4412-14-peter.ujfalusi@xxxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 sound/soc/sof/ipc4-pcm.c |   13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

--- a/sound/soc/sof/ipc4-pcm.c
+++ b/sound/soc/sof/ipc4-pcm.c
@@ -420,8 +420,19 @@ static int sof_ipc4_trigger_pipelines(st
 	}
 
 	/* return if this is the final state */
-	if (state == SOF_IPC4_PIPE_PAUSED)
+	if (state == SOF_IPC4_PIPE_PAUSED) {
+		struct sof_ipc4_timestamp_info *time_info;
+
+		/*
+		 * Invalidate the stream_start_offset to make sure that it is
+		 * going to be updated if the stream resumes
+		 */
+		time_info = spcm->stream[substream->stream].private;
+		if (time_info)
+			time_info->stream_start_offset = SOF_IPC4_INVALID_STREAM_POSITION;
+
 		goto free;
+	}
 skip_pause_transition:
 	/* else set the RUNNING/RESET state in the DSP */
 	ret = sof_ipc4_set_multi_pipeline_state(sdev, state, trigger_list);


Patches currently in stable-queue which might be from peter.ujfalusi@xxxxxxxxxxxxxxx are

queue-6.8/asoc-sof-intel-hda-implement-get_stream_position-linear-link-position.patch
queue-6.8/asoc-sof-intel-mtl-lnl-use-the-generic-get_stream_position-callback.patch
queue-6.8/asoc-sof-add-dsp_max_burst_size_in_ms-member-to-snd_sof_pcm_stream.patch
queue-6.8/asoc-sof-intel-hda-pcm-use-dsp_max_burst_size_in_ms-to-place-constraint.patch
queue-6.8/asoc-sof-intel-hda-common-ops-do-not-set-the-get_stream_position-callback.patch
queue-6.8/asoc-sof-intel-set-the-dai-host-get-frame-byte-counter-callbacks.patch
queue-6.8/asoc-sof-introduce-a-new-callback-pair-to-be-used-for-pcm-delay-reporting.patch
queue-6.8/asoc-sof-ipc4-pcm-use-the-snd_sof_pcm_get_dai_frame_counter-for-pcm_delay.patch
queue-6.8/asoc-sof-ipc4-topology-save-the-dma-maximum-burst-size-for-pcms.patch
queue-6.8/alsa-hda-add-pplcllpl-u-members-to-hdac_ext_stream.patch
queue-6.8/asoc-sof-remove-the-get_stream_position-callback.patch
queue-6.8/asoc-sof-ipc4-pcm-correct-the-delay-calculation.patch
queue-6.8/asoc-sof-ipc4-pcm-combine-the-sof_ipc4_pipe_paused-cases-in-pcm_trigger.patch
queue-6.8/asoc-sof-sof-pcm-add-pointer-callback-to-sof_ipc_pcm_ops.patch
queue-6.8/asoc-sof-intel-hda-compensate-llp-in-case-it-is-not-reset.patch
queue-6.8/asoc-sof-ipc4-pcm-move-struct-sof_ipc4_timestamp_info-definition-locally.patch
queue-6.8/asoc-sof-ipc4-pcm-invalidate-the-stream_start_offset-in-paused-state.patch




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