diff --git a/drivers/extcon/extcon-max14577.c b/drivers/extcon/extcon-max14577.c
index 12e26c4e7763..f6414b7fa5bc 100644
--- a/drivers/extcon/extcon-max14577.c
+++ b/drivers/extcon/extcon-max14577.c
@@ -531,8 +531,10 @@ static int max14577_parse_irq(struct max14577_muic_info *info, int irq_type)
 	case MAX14577_IRQ_INT1_ADC:
 	case MAX14577_IRQ_INT1_ADCLOW:
 	case MAX14577_IRQ_INT1_ADCERR:
-		/* Handle all of accessory except for
-		   type of charger accessory */
+		/*
+		 * Handle all of accessory except for
+		 * type of charger accessory.
+		 */
 		info->irq_adc = true;
 		return 1;
 	case MAX14577_IRQ_INT2_CHGTYP:
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index 68dbcb814b2f..62163468f205 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -188,8 +188,10 @@ enum max77693_muic_acc_type {
 	MAX77693_MUIC_ADC_AUDIO_MODE_REMOTE,
 	MAX77693_MUIC_ADC_OPEN,
 
-	/* The below accessories have same ADC value so ADCLow and
-	   ADC1K bit is used to separate specific accessory */
+	/*
+	 * The below accessories have same ADC value so ADCLow and
+	 * ADC1K bit is used to separate specific accessory.
+	 */
 						/* ADC|VBVolot|ADCLow|ADC1K| */
 	MAX77693_MUIC_GND_USB_HOST = 0x100,	/* 0x0|      0|     0|    0| */
 	MAX77693_MUIC_GND_USB_HOST_VB = 0x104,	/* 0x0|      1|     0|    0| */
@@ -970,8 +972,10 @@ static void max77693_muic_irq_work(struct work_struct *work)
 	case MAX77693_MUIC_IRQ_INT1_ADC_LOW:
 	case MAX77693_MUIC_IRQ_INT1_ADC_ERR:
 	case MAX77693_MUIC_IRQ_INT1_ADC1K:
-		/* Handle all of accessory except for
-		   type of charger accessory */
+		/*
+		 * Handle all of accessory except for
+		 * type of charger accessory.
+		 */
 		ret = max77693_muic_adc_handler(info);
 		break;
 	case MAX77693_MUIC_IRQ_INT2_CHGTYP:
diff --git a/drivers/extcon/extcon-max77843.c b/drivers/extcon/extcon-max77843.c
index 5d11fdf36e94..6e722d552cf1 100644
--- a/drivers/extcon/extcon-max77843.c
+++ b/drivers/extcon/extcon-max77843.c
@@ -97,8 +97,10 @@ enum max77843_muic_accessory_type {
 	MAX77843_MUIC_ADC_AUDIO_DEVICE_TYPE1,
 	MAX77843_MUIC_ADC_OPEN,
 
-	/* The blow accessories should check
-	   not only ADC value but also ADC1K and VBVolt value. */
+	/*
+	 * The below accessories should check
+	 * not only ADC value but also ADC1K and VBVolt value.
+	 */
 						/* Offset|ADC1K|VBVolt| */
 	MAX77843_MUIC_GND_USB_HOST = 0x100,	/*    0x1|    0|     0| */
 	MAX77843_MUIC_GND_USB_HOST_VB = 0x101,	/*    0x1|    0|     1| */
@@ -265,16 +267,20 @@ static int max77843_muic_get_cable_type(struct max77843_muic_info *info,
 		/* Check GROUND accessory with charger cable */
 		if (adc == MAX77843_MUIC_ADC_GROUND) {
 			if (chg_type == MAX77843_MUIC_CHG_NONE) {
-				/* The following state when charger cable is
+				/*
+				 * The following state when charger cable is
 				 * disconnected but the GROUND accessory still
-				 * connected */
+				 * connected.
+				 */
 				*attached = false;
 				cable_type = info->prev_chg_type;
 				info->prev_chg_type = MAX77843_MUIC_CHG_NONE;
 			} else {
 
-				/* The following state when charger cable is
-				 * connected on the GROUND accessory */
+				/*
+				 * The following state when charger cable is
+				 * connected on the GROUND accessory.
+				 */
 				*attached = true;
 				cable_type = MAX77843_MUIC_CHG_GND;
 				info->prev_chg_type = MAX77843_MUIC_CHG_GND;
@@ -299,11 +305,13 @@ static int max77843_muic_get_cable_type(struct max77843_muic_info *info,
 		} else {
 			*attached = true;
 
-			/* Offset|ADC1K|VBVolt|
+			/*
+			 * Offset|ADC1K|VBVolt|
 			 *    0x1|    0|     0| USB-HOST
 			 *    0x1|    0|     1| USB-HOST with VB
 			 *    0x1|    1|     0| MHL
-			 *    0x1|    1|     1| MHL with VB */
+			 *    0x1|    1|     1| MHL with VB
+			 */
 			/* Get ADC1K register bit */
 			gnd_type = (info->status[MAX77843_MUIC_STATUS1] &
 					MAX77843_MUIC_STATUS1_ADC1K_MASK);
diff --git a/drivers/extcon/extcon-rt8973a.c b/drivers/extcon/extcon-rt8973a.c
index 174c388739ea..3e882aa107e8 100644
--- a/drivers/extcon/extcon-rt8973a.c
+++ b/drivers/extcon/extcon-rt8973a.c
@@ -142,8 +142,10 @@ enum rt8973a_muic_acc_type {
 	RT8973A_MUIC_ADC_UNKNOWN_ACC_5,
 	RT8973A_MUIC_ADC_OPEN = 0x1f,
 
-	/* The below accessories has same ADC value (0x1f).
-	   So, Device type1 is used to separate specific accessory. */
+	/*
+	 * The below accessories has same ADC value (0x1f).
+	 * So, Device type1 is used to separate specific accessory.
+	 */
 					/* |---------|--ADC| */
 					/* |    [7:5]|[4:0]| */
 	RT8973A_MUIC_ADC_USB = 0x3f,	/* |      001|11111| */
diff --git a/drivers/extcon/extcon-sm5502.c b/drivers/extcon/extcon-sm5502.c
index b22325688503..106ef0297b53 100644
--- a/drivers/extcon/extcon-sm5502.c
+++ b/drivers/extcon/extcon-sm5502.c
@@ -135,8 +135,10 @@ enum sm5502_muic_acc_type {
 	SM5502_MUIC_ADC_AUDIO_TYPE1,
 	SM5502_MUIC_ADC_OPEN = 0x1f,
 
-	/* The below accessories have same ADC value (0x1f or 0x1e).
-	   So, Device type1 is used to separate specific accessory. */
+	/*
+	 * The below accessories have same ADC value (0x1f or 0x1e).
+	 * So, Device type1 is used to separate specific accessory.
+	 */
 							/* |---------|--ADC| */
 							/* |    [7:5]|[4:0]| */
 	SM5502_MUIC_ADC_AUDIO_TYPE1_FULL_REMOTE = 0x3e,	/* |      001|11110| */