[alsa-devel] [PATCH 02/26] ASoC: SOF: reset default d0_substate at probe() and resume()

[Pierre-Louis Bossart]

From: Keyon Jie <yang.jie at linux.intel.com>

We initialize/reset d0_substate to default d0i0 value when doing
transition D3-->D0, e.g. at success of probing and resuming.

Signed-off-by: Keyon Jie <yang.jie at linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
---
 sound/soc/sof/core.c | 3 +++
 sound/soc/sof/pm.c   | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c
index 5998861a9002..8661c2cca76b 100644
--- a/sound/soc/sof/core.c
+++ b/sound/soc/sof/core.c
@@ -458,6 +458,9 @@ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data)
 	/* initialize sof device */
 	sdev->dev = dev;
 
+	/* initialize default D0 sub-state */
+	sdev->d0_substate = SOF_DSP_D0I0;
+
 	sdev->pdata = plat_data;
 	sdev->first_boot = true;
 	dev_set_drvdata(dev, sdev);
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
index e23beaeefe00..81e623dfc7e5 100644
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -326,6 +326,9 @@ static int sof_resume(struct device *dev, bool runtime_resume)
 			"error: ctx_restore ipc error during resume %d\n",
 			ret);
 
+	/* initialize default D0 sub-state */
+	sdev->d0_substate = SOF_DSP_D0I0;
+
 	return ret;
 }
 
-- 
2.20.1