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[01/17] ASoC: SOF: Add dsp_max_burst_size_in_ms member to snd_sof_pcm_stream

Message ID 20240321130814.4412-2-peter.ujfalusi@linux.intel.com (mailing list archive)
State Accepted
Commit fb9f8125ed9d9b8e11f309a7dbfbe7b40de48fba
Headers show
Series ASoC: SOF: ipc4/Intel: Fix delay reporting (for 6.9 / 6.8) | expand

Commit Message

Peter Ujfalusi March 21, 2024, 1:07 p.m. UTC 
The dsp_max_burst_size_in_ms can be used to save the length of the maximum
burst size in ms the host DMA will use.

Platform code can place constraint using this to avoid user space
requesting too small ALSA buffer which will result xruns.

Cc: stable@vger.kernel.org # 6.8
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
 sound/soc/sof/sof-audio.h | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h
index 9ea2ac5adac7..04e5cb2c70a7 100644
--- a/sound/soc/sof/sof-audio.h
+++ b/sound/soc/sof/sof-audio.h
@@ -322,6 +322,7 @@  struct snd_sof_pcm_stream {
 	struct work_struct period_elapsed_work;
 	struct snd_soc_dapm_widget_list *list; /* list of connected DAPM widgets */
 	bool d0i3_compatible; /* DSP can be in D0I3 when this pcm is opened */
+	unsigned int dsp_max_burst_size_in_ms; /* The maximum size of the host DMA burst in ms */
 	/*
 	 * flag to indicate that the DSP pipelines should be kept
 	 * active or not while suspending the stream