[alsa-devel] [PATCH 24/26] ASoC: SOF: return -ENOTSUPP if D0I3 is not supported

Pierre-Louis Bossart pierre-louis.bossart at linux.intel.com
Sat Oct 26 00:41:20 CEST 2019


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

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 at linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
---
 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 */
-- 
2.20.1



More information about the Alsa-devel mailing list