This is a note to let you know that I've just added the patch titled
ASoC: SOF: pm: add explicit behavior for ACPI S1 and S2
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-explicit-behavior-for-acpi-s1-and-s2.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 a933084558c61cac8c902d2474b39444d87fba46 Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Date: Thu, 16 Jun 2022 15:18:16 -0500
Subject: ASoC: SOF: pm: add explicit behavior for ACPI S1 and S2
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From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
commit a933084558c61cac8c902d2474b39444d87fba46 upstream.
The existing code only deals with S0 and S3, let's start adding S1 and S2.
No functional change.
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/20220616201818.130802-2-pierre-louis.bossart@xxxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/soc/sof/pm.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -327,8 +327,18 @@ int snd_sof_prepare(struct device *dev)
return 0;
#if defined(CONFIG_ACPI)
- if (acpi_target_system_state() == ACPI_STATE_S0)
+ switch (acpi_target_system_state()) {
+ case ACPI_STATE_S0:
sdev->system_suspend_target = SOF_SUSPEND_S0IX;
+ break;
+ case ACPI_STATE_S1:
+ case ACPI_STATE_S2:
+ case ACPI_STATE_S3:
+ sdev->system_suspend_target = SOF_SUSPEND_S3;
+ break;
+ default:
+ break;
+ }
#endif
return 0;
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
