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path: root/sound/soc/sof/intel/hda-dai.c
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Diffstat (limited to 'sound/soc/sof/intel/hda-dai.c')
-rw-r--r--sound/soc/sof/intel/hda-dai.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c
index c13f89b7065e..0db2a3e554fb 100644
--- a/sound/soc/sof/intel/hda-dai.c
+++ b/sound/soc/sof/intel/hda-dai.c
@@ -103,8 +103,10 @@ hda_dai_get_ops(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai
return sdai->platform_private;
}
-int hda_link_dma_cleanup(struct snd_pcm_substream *substream, struct hdac_ext_stream *hext_stream,
- struct snd_soc_dai *cpu_dai)
+static int
+hda_link_dma_cleanup(struct snd_pcm_substream *substream,
+ struct hdac_ext_stream *hext_stream,
+ struct snd_soc_dai *cpu_dai, bool release)
{
const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai);
struct sof_intel_hda_stream *hda_stream;
@@ -128,6 +130,17 @@ int hda_link_dma_cleanup(struct snd_pcm_substream *substream, struct hdac_ext_st
snd_hdac_ext_bus_link_clear_stream_id(hlink, stream_tag);
}
+ if (!release) {
+ /*
+ * Force stream reconfiguration without releasing the channel on
+ * subsequent stream restart (without free), including LinkDMA
+ * reset.
+ * The stream is released via hda_dai_hw_free()
+ */
+ hext_stream->link_prepared = 0;
+ return 0;
+ }
+
if (ops->release_hext_stream)
ops->release_hext_stream(sdev, cpu_dai, substream);
@@ -211,7 +224,7 @@ static int __maybe_unused hda_dai_hw_free(struct snd_pcm_substream *substream,
if (!hext_stream)
return 0;
- return hda_link_dma_cleanup(substream, hext_stream, cpu_dai);
+ return hda_link_dma_cleanup(substream, hext_stream, cpu_dai, true);
}
static int __maybe_unused hda_dai_hw_params_data(struct snd_pcm_substream *substream,
@@ -304,7 +317,8 @@ static int __maybe_unused hda_dai_trigger(struct snd_pcm_substream *substream, i
switch (cmd) {
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
- ret = hda_link_dma_cleanup(substream, hext_stream, dai);
+ ret = hda_link_dma_cleanup(substream, hext_stream, dai,
+ cmd == SNDRV_PCM_TRIGGER_STOP ? false : true);
if (ret < 0) {
dev_err(sdev->dev, "%s: failed to clean up link DMA\n", __func__);
return ret;
@@ -660,8 +674,7 @@ static int hda_dai_suspend(struct hdac_bus *bus)
}
ret = hda_link_dma_cleanup(hext_stream->link_substream,
- hext_stream,
- cpu_dai);
+ hext_stream, cpu_dai, true);
if (ret < 0)
return ret;
}