diff options
Diffstat (limited to 'sound/soc/sof/ops.h')
| -rw-r--r-- | sound/soc/sof/ops.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sound/soc/sof/ops.h b/sound/soc/sof/ops.h index 95e748b36903..4c1f9daaa6e8 100644 --- a/sound/soc/sof/ops.h +++ b/sound/soc/sof/ops.h @@ -208,11 +208,16 @@ static inline int snd_sof_dsp_set_power_state(struct snd_sof_dev *sdev, const struct sof_dsp_power_state *target_state) { + int ret = 0; + + mutex_lock(&sdev->power_state_access); + if (sof_ops(sdev)->set_power_state) - return sof_ops(sdev)->set_power_state(sdev, target_state); + ret = sof_ops(sdev)->set_power_state(sdev, target_state); - /* D0 substate is not supported, do nothing here. */ - return 0; + mutex_unlock(&sdev->power_state_access); + + return ret; } /* debug */ |