From a933084558c61cac8c902d2474b39444d87fba46 Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Thu, 16 Jun 2022 15:18:16 -0500
Subject: [PATCH] ASoC: SOF: pm: add explicit behavior for ACPI S1 and S2
Mime-version: 1.0
Content-type: text/plain; charset=UTF-8
Content-transfer-encoding: 8bit
Git-commit: a933084558c61cac8c902d2474b39444d87fba46
Patch-mainline: v5.19-rc6
References: jsc#PED-850
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@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/20220616201818.130802-2-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 | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
index 18eb327a57f0..239f39a5166a 100644
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -335,8 +335,18 @@ 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;
--
2.35.3