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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-04-18 10:46:48 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-04-18 10:46:48 +0200 |
| commit | c15712c3602826e862340f34eba342d2d98fe697 (patch) | |
| tree | 69fef4d6974e07ea7f8932a2812abcbc673bfa3b /sound/soc/sof/intel/hda-pcm.c | |
| parent | 2471b673d88d8ff8640ceae8a6df2dc9b68521da (diff) | |
| parent | c37bbb1b5317a6418ed353be26a3a12feca6f9c5 (diff) | |
Merge v6.19.13linux-rolling-stable
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/soc/sof/intel/hda-pcm.c')
| -rw-r--r-- | sound/soc/sof/intel/hda-pcm.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/sound/soc/sof/intel/hda-pcm.c b/sound/soc/sof/intel/hda-pcm.c index da6c1e7263cde..16a3640728210 100644 --- a/sound/soc/sof/intel/hda-pcm.c +++ b/sound/soc/sof/intel/hda-pcm.c @@ -219,6 +219,7 @@ EXPORT_SYMBOL_NS(hda_dsp_pcm_pointer, "SND_SOC_SOF_INTEL_HDA_COMMON"); int hda_dsp_pcm_open(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream) { + const struct sof_intel_dsp_desc *chip_info = get_chip_info(sdev->pdata); struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_component *scomp = sdev->component; @@ -268,8 +269,17 @@ int hda_dsp_pcm_open(struct snd_sof_dev *sdev, return -ENODEV; } - /* minimum as per HDA spec */ - snd_pcm_hw_constraint_step(substream->runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 4); + /* + * Set period size constraint to ensure BDLE buffer length and + * start address alignment requirements are met. Align to 128 + * bytes for newer Intel platforms, with older ones using 4 byte alignment. + */ + if (chip_info->hw_ip_version >= SOF_INTEL_ACE_4_0) + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 128); + else + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 4); /* avoid circular buffer wrap in middle of period */ snd_pcm_hw_constraint_integer(substream->runtime, |