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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2022-04-21 15:31:58 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-04-25 13:58:34 +0100 |
| commit | 23b1944e46ab4cd7cbd4ef999f814fc6c6f2eb88 (patch) | |
| tree | 72fde64f602d8c064c073bd8d5a2900cdc2d067e /sound/soc/sof/intel/hda-dai.c | |
| parent | f09e92844eabd6a65feab0c548a7cf6741cfa39d (diff) | |
| download | linux-stable-23b1944e46ab4cd7cbd4ef999f814fc6c6f2eb88.tar.gz linux-stable-23b1944e46ab4cd7cbd4ef999f814fc6c6f2eb88.tar.bz2 linux-stable-23b1944e46ab4cd7cbd4ef999f814fc6c6f2eb88.zip | |
ASoC: SOF: Intel: hda-dai: improve suspend case
Add comments and re-align with the TRIGGER_SUSPEND case with an
additional call to hda_dai_hw_free_ipc() to free-up resources.
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/20220421203201.1550328-12-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/intel/hda-dai.c')
| -rw-r--r-- | sound/soc/sof/intel/hda-dai.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c index c1ff7145745b..dbccd75defe8 100644 --- a/sound/soc/sof/intel/hda-dai.c +++ b/sound/soc/sof/intel/hda-dai.c @@ -456,6 +456,7 @@ static int hda_dai_suspend(struct hdac_bus *bus) 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) { @@ -468,20 +469,32 @@ static int hda_dai_suspend(struct hdac_bus *bus) * explicitly during suspend. */ if (hext_stream->link_substream) { + struct snd_soc_dai *cpu_dai; + struct snd_soc_dai *codec_dai; + rtd = asoc_substream_to_rtd(hext_stream->link_substream); - name = asoc_rtd_to_codec(rtd, 0)->component->name; + cpu_dai = asoc_rtd_to_cpu(rtd, 0); + codec_dai = asoc_rtd_to_codec(rtd, 0); + name = codec_dai->component->name; link = snd_hdac_ext_bus_get_link(bus, name); if (!link) return -EINVAL; + /* + * we don't need to call snd_hdac_ext_link_stream_clear(he_stream) + * since we can only reach this case in the pause_push state, and + * the TRIGGER_PAUSE_PUSH already stops the DMA + */ + if (hdac_stream(hext_stream)->direction == SNDRV_PCM_STREAM_PLAYBACK) { + stream_tag = hdac_stream(hext_stream)->stream_tag; + snd_hdac_ext_link_clear_stream_id(link, stream_tag); + } 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); + /* for consistency with TRIGGER_SUSPEND we free DAI resources */ + ret = hda_dai_hw_free_ipc(hdac_stream(hext_stream)->direction, cpu_dai); + if (ret < 0) + return ret; } } |