diff --git a/sound/soc/codecs/cs4265.c b/sound/soc/codecs/cs4265.c
index 69a8516..4fdd47d 100644
--- a/sound/soc/codecs/cs4265.c
+++ b/sound/soc/codecs/cs4265.c
@@ -77,6 +77,7 @@
 	case CS4265_INT_MASK:
 	case CS4265_STATUS_MODE_MSB:
 	case CS4265_STATUS_MODE_LSB:
+	case CS4265_CHIP_ID:
 		return true;
 	default:
 		return false;
diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 969167d..da4f758 100644
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -176,9 +176,9 @@
 	case CS42L52_BATT_LEVEL:
 	case CS42L52_SPK_STATUS:
 	case CS42L52_CHARGE_PUMP:
-		return 1;
+		return true;
 	default:
-		return 0;
+		return false;
 	}
 }
 
diff --git a/sound/soc/codecs/cs42l56.c b/sound/soc/codecs/cs42l56.c
index c766a5a..bb74dd1 100644
--- a/sound/soc/codecs/cs42l56.c
+++ b/sound/soc/codecs/cs42l56.c
@@ -171,9 +171,9 @@
 {
 	switch (reg) {
 	case CS42L56_INT_STATUS:
-		return 1;
+		return true;
 	default:
-		return 0;
+		return false;
 	}
 }
 
@@ -1175,11 +1175,8 @@
 
 static int cs42l56_remove(struct snd_soc_codec *codec)
 {
-	struct cs42l56_private *cs42l56 = snd_soc_codec_get_drvdata(codec);
-
 	cs42l56_free_beep(codec);
 	cs42l56_set_bias_level(codec, SND_SOC_BIAS_OFF);
-	regulator_bulk_free(ARRAY_SIZE(cs42l56->supplies), cs42l56->supplies);
 
 	return 0;
 }
diff --git a/sound/soc/codecs/da732x.c b/sound/soc/codecs/da732x.c
index 2fae31c..fa15fa1 100644
--- a/sound/soc/codecs/da732x.c
+++ b/sound/soc/codecs/da732x.c
@@ -217,7 +217,7 @@
 		snd_soc_write(codec, DA732X_REG_CP_CTRL1, DA723X_CP_DIS);
 		break;
 	default:
-		pr_err(KERN_ERR "Wrong charge pump state\n");
+		pr_err("Wrong charge pump state\n");
 		break;
 	}
 }