diff options
| -rw-r--r-- | sound/soc/sof/pcm.c | 31 | ||||
| -rw-r--r-- | sound/soc/sof/topology.c | 17 |
2 files changed, 47 insertions, 1 deletions
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c index 9ba505cf5966..3d5cd1b445ba 100644 --- a/sound/soc/sof/pcm.c +++ b/sound/soc/sof/pcm.c @@ -346,6 +346,16 @@ static int sof_pcm_trigger(struct snd_soc_component *component, stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_RELEASE; break; case SNDRV_PCM_TRIGGER_RESUME: + if (spcm->stream[substream->stream].suspend_ignored) { + /* + * this case will be triggered when INFO_RESUME is + * supported, no need to resume streams that remained + * enabled in D0ix. + */ + spcm->stream[substream->stream].suspend_ignored = false; + return 0; + } + /* set up hw_params */ ret = sof_pcm_prepare(component, substream); if (ret < 0) { @@ -356,9 +366,30 @@ static int sof_pcm_trigger(struct snd_soc_component *component, /* fallthrough */ case SNDRV_PCM_TRIGGER_START: + if (spcm->stream[substream->stream].suspend_ignored) { + /* + * This case will be triggered when INFO_RESUME is + * not supported, no need to re-start streams that + * remained enabled in D0ix. + */ + spcm->stream[substream->stream].suspend_ignored = false; + return 0; + } stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START; break; case SNDRV_PCM_TRIGGER_SUSPEND: + if (sdev->s0_suspend && + spcm->stream[substream->stream].d0i3_compatible) { + /* + * trap the event, not sending trigger stop to + * prevent the FW pipelines from being stopped, + * and mark the flag to ignore the upcoming DAPM + * PM events. + */ + spcm->stream[substream->stream].suspend_ignored = true; + return 0; + } + /* fallthrough */ case SNDRV_PCM_TRIGGER_STOP: stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP; ipc_first = true; diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c index cc138ac6a8eb..e0e2ae734632 100644 --- a/sound/soc/sof/topology.c +++ b/sound/soc/sof/topology.c @@ -135,7 +135,9 @@ static int sof_keyword_dapm_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { struct snd_sof_widget *swidget = w->dobj.private; + int stream = SNDRV_PCM_STREAM_CAPTURE; struct snd_sof_dev *sdev; + struct snd_sof_pcm *spcm; int ret = 0; if (!swidget) @@ -146,11 +148,19 @@ static int sof_keyword_dapm_event(struct snd_soc_dapm_widget *w, dev_dbg(sdev->dev, "received event %d for widget %s\n", event, w->name); + /* get runtime PCM params using widget's stream name */ + spcm = snd_sof_find_spcm_name(sdev, swidget->widget->sname); + /* process events */ switch (event) { case SND_SOC_DAPM_PRE_PMU: + if (spcm->stream[stream].suspend_ignored) { + dev_dbg(sdev->dev, "PRE_PMU event ignored, KWD pipeline is already RUNNING\n"); + return 0; + } + /* set pcm params */ - ret = ipc_pcm_params(swidget, SOF_IPC_STREAM_CAPTURE); + ret = ipc_pcm_params(swidget, stream); if (ret < 0) { dev_err(sdev->dev, "error: failed to set pcm params for widget %s\n", @@ -166,6 +176,11 @@ static int sof_keyword_dapm_event(struct snd_soc_dapm_widget *w, swidget->widget->name); break; case SND_SOC_DAPM_POST_PMD: + if (spcm->stream[stream].suspend_ignored) { + dev_dbg(sdev->dev, "POST_PMD even ignored, KWD pipeline will remain RUNNING\n"); + return 0; + } + /* stop trigger */ ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_STOP); if (ret < 0) |