From 601252869f50af6f5ab377e7f4846d7b09cc66c0 Mon Sep 17 00:00:00 2001
From: Keyon Jie <yang.jie@linux.intel.com>
Date: Fri, 25 Oct 2019 17:41:13 -0500
Subject: [PATCH] ASoC: SOF: PM: add helpers for setting D0 substate for ADSP
Git-commit: 601252869f50af6f5ab377e7f4846d7b09cc66c0
Patch-mainline: v5.5-rc1
References: jsc#SLE-16518
Add snd_sof_set_d0_substate() helper for setting ADSP to a specific D0
substate, it will call into the platform specific implementation, and
update the d0_substate at success.
Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191025224122.7718-18-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 | 17 +++++++++++++++++
sound/soc/sof/sof-priv.h | 2 ++
2 files changed, 19 insertions(+)
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
index ac900fb3379e..584241e9734a 100644
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -411,6 +411,23 @@ int snd_sof_runtime_resume(struct device *dev)
}
EXPORT_SYMBOL(snd_sof_runtime_resume);
+int snd_sof_set_d0_substate(struct snd_sof_dev *sdev,
+ enum sof_d0_substate d0_substate)
+{
+ int ret;
+
+ /* do platform specific set_state */
+ ret = snd_sof_dsp_set_power_state(sdev, d0_substate);
+ if (ret < 0)
+ return ret;
+
+ /* update dsp D0 sub-state */
+ sdev->d0_substate = d0_substate;
+
+ return 0;
+}
+EXPORT_SYMBOL(snd_sof_set_d0_substate);
+
int snd_sof_resume(struct device *dev)
{
return sof_resume(dev, false);
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index 7a21a45d3635..2231c673c678 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -485,6 +485,8 @@ int snd_sof_runtime_resume(struct device *dev);
int snd_sof_runtime_idle(struct device *dev);
int snd_sof_resume(struct device *dev);
int snd_sof_suspend(struct device *dev);
+int snd_sof_set_d0_substate(struct snd_sof_dev *sdev,
+ enum sof_d0_substate d0_substate);
void snd_sof_new_platform_drv(struct snd_sof_dev *sdev);
--
2.16.4