diff options
Diffstat (limited to 'sound/soc/sof/sof-audio.h')
| -rw-r--r-- | sound/soc/sof/sof-audio.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h index f1bbd1adc8b6..b0593b46d477 100644 --- a/sound/soc/sof/sof-audio.h +++ b/sound/soc/sof/sof-audio.h @@ -387,7 +387,16 @@ struct snd_sof_widget { * up in the DSP. */ bool prepared; - int use_count; /* use_count will be protected by the PCM mutex held by the core */ + + struct mutex setup_mutex; /* to protect the swidget setup and free operations */ + + /* + * use_count is protected by the PCM mutex held by the core and the + * setup_mutex against non stream domain races (kcontrol access for + * example) + */ + int use_count; + int core; int id; /* id is the DAPM widget type */ /* |