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From 5655ce660a6d3eec4a3ad37feb99fb228540d1a9 Mon Sep 17 00:00:00 2001
From: Keyon Jie <yang.jie@linux.intel.com>
Date: Fri, 25 Oct 2019 17:41:20 -0500
Subject: [PATCH] ASoC: SOF: return -ENOTSUPP if D0I3 is not supported
Git-commit: 5655ce660a6d3eec4a3ad37feb99fb228540d1a9
Patch-mainline: v5.5-rc1
References: jsc#SLE-16518

No set_power_state ops means that the platform doesn't support D0i3,
return -ENOTSUPP for the case.

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/20191025224122.7718-25-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 sound/soc/sof/ops.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/sof/ops.h b/sound/soc/sof/ops.h
index d7c8fc06f961..93512dcbaacd 100644
--- a/sound/soc/sof/ops.h
+++ b/sound/soc/sof/ops.h
@@ -199,7 +199,8 @@ static inline int snd_sof_dsp_set_power_state(struct snd_sof_dev *sdev,
 	if (sof_ops(sdev)->set_power_state)
 		return sof_ops(sdev)->set_power_state(sdev, substate);
 
-	return 0;
+	/* D0 substate is not supported */
+	return -ENOTSUPP;
 }
 
 /* debug */
-- 
2.16.4