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ASoC: SOF: Intel: hda-dai: move code to deal with hda dai/dailink suspend

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The location of the code was not optimal and prevents us from using
helpers, let's move it to hda-dai.c.

No functionality change in this patch.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20220421203201.1550328-11-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2022-04-21 15:31:57 -05:00 committed by Mark Brown
parent 8162250322
commit f09e92844e
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
3 changed files with 65 additions and 36 deletions
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58
sound/soc/sof/intel/hda-dai.c
View file

@ -448,6 +448,45 @@ static const struct snd_soc_dai_ops ipc3_hda_dai_ops = {
.prepare = ipc3_hda_dai_prepare,
};
static int hda_dai_suspend(struct hdac_bus *bus)
{
struct snd_soc_pcm_runtime *rtd;
struct hdac_ext_stream *hext_stream;
struct hdac_ext_link *link;
struct hdac_stream *s;
const char *name;
int stream_tag;
/* set internal flag for BE */
list_for_each_entry(s, &bus->stream_list, list) {
hext_stream = stream_to_hdac_ext_stream(s);
/*
* clear stream. This should already be taken care for running
* streams when the SUSPEND trigger is called. But paused
* streams do not get suspended, so this needs to be done
* explicitly during suspend.
*/
if (hext_stream->link_substream) {
rtd = asoc_substream_to_rtd(hext_stream->link_substream);
name = asoc_rtd_to_codec(rtd, 0)->component->name;
link = snd_hdac_ext_bus_get_link(bus, name);
if (!link)
return -EINVAL;
hext_stream->link_prepared = 0;
if (hdac_stream(hext_stream)->direction ==
SNDRV_PCM_STREAM_CAPTURE)
continue;
stream_tag = hdac_stream(hext_stream)->stream_tag;
snd_hdac_ext_link_clear_stream_id(link, stream_tag);
}
}
return 0;
}
#endif
/* only one flag used so far to harden hw_params/hw_free/trigger/prepare */
@ -733,3 +772,22 @@ struct snd_soc_dai_driver skl_dai[] = {
},
#endif
};
int hda_dsp_dais_suspend(struct snd_sof_dev *sdev)
{
/*
* In the corner case where a SUSPEND happens during a PAUSE, the ALSA core
* does not throw the TRIGGER_SUSPEND. This leaves the DAIs in an unbalanced state.
* Since the component suspend is called last, we can trap this corner case
* and force the DAIs to release their resources.
*/
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
int ret;
ret = hda_dai_suspend(sof_to_bus(sdev));
if (ret < 0)
return ret;
#endif
return 0;
}

42
sound/soc/sof/intel/hda-dsp.c
View file

@ -894,44 +894,14 @@ int hda_dsp_shutdown(struct snd_sof_dev *sdev)
int hda_dsp_set_hw_params_upon_resume(struct snd_sof_dev *sdev)
{
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
struct hdac_bus *bus = sof_to_bus(sdev);
struct snd_soc_pcm_runtime *rtd;
struct hdac_ext_stream *hext_stream;
struct hdac_ext_link *link;
struct hdac_stream *s;
const char *name;
int stream_tag;
int ret;
/* set internal flag for BE */
list_for_each_entry(s, &bus->stream_list, list) {
hext_stream = stream_to_hdac_ext_stream(s);
/* make sure all DAI resources are freed */
ret = hda_dsp_dais_suspend(sdev);
if (ret < 0)
dev_warn(sdev->dev, "%s: failure in hda_dsp_dais_suspend\n", __func__);
/*
* clear stream. This should already be taken care for running
* streams when the SUSPEND trigger is called. But paused
* streams do not get suspended, so this needs to be done
* explicitly during suspend.
*/
if (hext_stream->link_substream) {
rtd = asoc_substream_to_rtd(hext_stream->link_substream);
name = asoc_rtd_to_codec(rtd, 0)->component->name;
link = snd_hdac_ext_bus_get_link(bus, name);
if (!link)
return -EINVAL;
hext_stream->link_prepared = 0;
if (hdac_stream(hext_stream)->direction ==
SNDRV_PCM_STREAM_CAPTURE)
continue;
stream_tag = hdac_stream(hext_stream)->stream_tag;
snd_hdac_ext_link_clear_stream_id(link, stream_tag);
}
}
#endif
return 0;
return ret;
}
void hda_dsp_d0i3_work(struct work_struct *work)

1
sound/soc/sof/intel/hda.h
View file

@ -697,6 +697,7 @@ static inline bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev)
/* common dai driver */
extern struct snd_soc_dai_driver skl_dai[];
int hda_dsp_dais_suspend(struct snd_sof_dev *sdev);
/*
* Platform Specific HW abstraction Ops.