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The lock protects the codec runtime state and module/DAI lists, while register_mutex protects hardware registers. Improve readability and clarify locking semantics. Signed-off-by: Bart=C5=82omiej Konecki --- drivers/staging/greybus/audio_codec.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/greybus/audio_codec.h b/drivers/staging/greybu= s/audio_codec.h index f3f7a7ec6be4..90dd3426d4a4 100644 --- a/drivers/staging/greybus/audio_codec.h +++ b/drivers/staging/greybus/audio_codec.h @@ -70,8 +70,9 @@ struct gbaudio_codec_info { struct list_head module_list; /* to maintain runtime stream params for each DAI */ struct list_head dai_list; - struct mutex lock; + struct mutex lock; /* protects codec state and module/DAI lists */ struct mutex register_mutex; + /* serializes access to codec hardware registers*/ }; =20 struct gbaudio_widget { --=20 2.47.3