From: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Add the system_suspend_target field to struct snd_sof_dev
to track the intended system suspend power target. This will
be used as one of the criteria for determining the
final DSP power state.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
sound/soc/sof/intel/hda-dsp.c | 4 ++--
sound/soc/sof/pcm.c | 2 +-
sound/soc/sof/pm.c | 9 ++++++---
sound/soc/sof/sof-priv.h | 12 ++++++++++--
4 files changed, 19 insertions(+), 8 deletions(-)
diff --git a/sound/soc/sof/intel/hda-dsp.c b/sound/soc/sof/intel/hda-dsp.c
index 4a4d318f97ff..fddf2c48904f 100644
--- a/sound/soc/sof/intel/hda-dsp.c
+++ b/sound/soc/sof/intel/hda-dsp.c
@@ -481,7 +481,7 @@ int hda_dsp_resume(struct snd_sof_dev *sdev)
struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
struct pci_dev *pci = to_pci_dev(sdev->dev);
- if (sdev->s0_suspend) {
+ if (sdev->system_suspend_target == SOF_SUSPEND_S0IX) {
/* restore L1SEN bit */
if (hda->l1_support_changed)
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
@@ -530,7 +530,7 @@ int hda_dsp_suspend(struct snd_sof_dev *sdev)
struct pci_dev *pci = to_pci_dev(sdev->dev);
int ret;
- if (sdev->s0_suspend) {
+ if (sdev->system_suspend_target == SOF_SUSPEND_S0IX) {
/* enable L1SEN to make sure the system can enter S0Ix */
hda->l1_support_changed =
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c
index 29435ba2d329..db3df02c7398 100644
--- a/sound/soc/sof/pcm.c
+++ b/sound/soc/sof/pcm.c
@@ -372,7 +372,7 @@ static int sof_pcm_trigger(struct snd_soc_component *component,
stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START;
break;
case SNDRV_PCM_TRIGGER_SUSPEND:
- if (sdev->s0_suspend &&
+ if (sdev->system_suspend_target == SOF_SUSPEND_S0IX &&
spcm->stream[substream->stream].d0i3_compatible) {
/*
* trap the event, not sending trigger stop to
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
index 5b186bceedb9..c86ac1e84bd7 100644
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -323,10 +323,13 @@ int snd_sof_prepare(struct device *dev)
struct snd_sof_dev *sdev = dev_get_drvdata(dev);
#if defined(CONFIG_ACPI)
- sdev->s0_suspend = acpi_target_system_state() == ACPI_STATE_S0;
+ if (acpi_target_system_state() == ACPI_STATE_S0)
+ sdev->system_suspend_target = SOF_SUSPEND_S0IX;
+ else
+ sdev->system_suspend_target = SOF_SUSPEND_S3;
#else
/* will suspend to S3 by default */
- sdev->s0_suspend = false;
+ sdev->system_suspend_target = SOF_SUSPEND_S3;
#endif
return 0;
@@ -337,6 +340,6 @@ void snd_sof_complete(struct device *dev)
{
struct snd_sof_dev *sdev = dev_get_drvdata(dev);
- sdev->s0_suspend = false;
+ sdev->system_suspend_target = SOF_SUSPEND_NONE;
}
EXPORT_SYMBOL(snd_sof_complete);
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index bc2337cf1142..1839cc51957d 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -60,6 +60,13 @@ enum sof_d0_substate {
SOF_DSP_D0I3, /* DSP D0i3(low power) substate*/
};
+/* System suspend target state */
+enum sof_system_suspend_state {
+ SOF_SUSPEND_NONE = 0,
+ SOF_SUSPEND_S0IX,
+ SOF_SUSPEND_S3,
+};
+
struct snd_sof_dev;
struct snd_sof_ipc_msg;
struct snd_sof_ipc;
@@ -325,8 +332,9 @@ struct snd_sof_dev {
/* power states related */
enum sof_d0_substate d0_substate;
- /* flag to track if the intended power target of suspend is S0ix */
- bool s0_suspend;
+
+ /* Intended power target of system suspend */
+ enum sof_system_suspend_state system_suspend_target;
/* DSP firmware boot */
wait_queue_head_t boot_wait;
--
2.20.1
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