diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 285f7c4d262d..04fd4794bcee 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -96,7 +96,7 @@ struct hdac_device {
 	bool lazy_cache:1;	/* don't wake up for writes */
 	bool caps_overwriting:1; /* caps overwrite being in process */
 	bool cache_coef:1;	/* cache COEF read/write too */
-	unsigned int registered:1; /* codec was registered */
+	bool registered;	/* codec was registered */
 	bool unsol_disabled;	/* unsol events blocked; protected by bus->reg_lock */
 };
 
diff --git a/sound/hda/common/codec.c b/sound/hda/common/codec.c
index b79346d01021..c99fe61c29db 100644
--- a/sound/hda/common/codec.c
+++ b/sound/hda/common/codec.c
@@ -761,7 +761,7 @@ void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
 		/* pm_runtime_put() is called in snd_hdac_device_exit() */
 		pm_runtime_get_noresume(hda_codec_dev(codec));
 		pm_runtime_disable(hda_codec_dev(codec));
-		codec->core.registered = 0;
+		codec->core.registered = false;
 	}
 
 	snd_hda_codec_disconnect_pcms(codec);
@@ -815,7 +815,7 @@ void snd_hda_codec_register(struct hda_codec *codec)
 		pm_runtime_enable(hda_codec_dev(codec));
 		/* it was powered up in snd_hda_codec_new(), now all done */
 		snd_hda_power_down(codec);
-		codec->core.registered = 1;
+		codec->core.registered = true;
 	}
 }
 EXPORT_SYMBOL_GPL(snd_hda_codec_register);