From 9d2d462713384538477703e68577b05131c7d97d Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Thu, 16 Jun 2022 15:18:17 -0500
Subject: [PATCH] ASoC: SOF: pm: add definitions for S4 and S5 states
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Git-commit: 9d2d462713384538477703e68577b05131c7d97d
Patch-mainline: v5.19-rc6
References: jsc#PED-850
We currently don't have a means to differentiate between S3, S4 and
S5. Add definitions so that we have select different code paths
depending on the target state in follow-up patches.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220616201818.130802-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
sound/soc/sof/pm.c | 9 +++++++++
sound/soc/sof/sof-priv.h | 2 ++
2 files changed, 11 insertions(+)
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
index 239f39a5166a..df740be645e8 100644
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -23,6 +23,9 @@ static u32 snd_sof_dsp_power_target(struct snd_sof_dev *sdev)
u32 target_dsp_state;
switch (sdev->system_suspend_target) {
+ case SOF_SUSPEND_S5:
+ case SOF_SUSPEND_S4:
+ /* DSP should be in D3 if the system is suspending to S3+ */
case SOF_SUSPEND_S3:
/* DSP should be in D3 if the system is suspending to S3 */
target_dsp_state = SOF_DSP_PM_D3;
@@ -344,6 +347,12 @@ int snd_sof_prepare(struct device *dev)
case ACPI_STATE_S3:
sdev->system_suspend_target = SOF_SUSPEND_S3;
break;
+ case ACPI_STATE_S4:
+ sdev->system_suspend_target = SOF_SUSPEND_S4;
+ break;
+ case ACPI_STATE_S5:
+ sdev->system_suspend_target = SOF_SUSPEND_S5;
+ break;
default:
break;
}
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index 9d7f53ff9c70..f0f3d72c0da7 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -85,6 +85,8 @@ enum sof_system_suspend_state {
SOF_SUSPEND_NONE = 0,
SOF_SUSPEND_S0IX,
SOF_SUSPEND_S3,
+ SOF_SUSPEND_S4,
+ SOF_SUSPEND_S5,
};
enum sof_dfsentry_type {
--
2.35.3