Patch "ASoC: SOF: pm: add definitions for S4 and S5 states" has been added to the 5.18-stable tree

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This is a note to let you know that I've just added the patch titled

    ASoC: SOF: pm: add definitions for S4 and S5 states

to the 5.18-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     asoc-sof-pm-add-definitions-for-s4-and-s5-states.patch
and it can be found in the queue-5.18 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 9d2d462713384538477703e68577b05131c7d97d Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Date: Thu, 16 Jun 2022 15:18:17 -0500
Subject: ASoC: SOF: pm: add definitions for S4 and S5 states
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>

commit 9d2d462713384538477703e68577b05131c7d97d upstream.

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@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20220616201818.130802-3-pierre-louis.bossart@xxxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 sound/soc/sof/pm.c       |    9 +++++++++
 sound/soc/sof/sof-priv.h |    2 ++
 2 files changed, 11 insertions(+)

--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -23,6 +23,9 @@ static u32 snd_sof_dsp_power_target(stru
 	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;
@@ -336,6 +339,12 @@ 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;
 	}
--- 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 {


Patches currently in stable-queue which might be from pierre-louis.bossart@xxxxxxxxxxxxxxx are

queue-5.18/asoc-sof-pm-add-definitions-for-s4-and-s5-states.patch
queue-5.18/asoc-sof-intel-disable-imr-boot-when-resuming-from-acpi-s4-and-s5-states.patch
queue-5.18/asoc-sof-pm-add-explicit-behavior-for-acpi-s1-and-s2.patch



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