power: supply: sbs-battery: fix CAPACITY_MODE bit naming

"Battery mode" is the name of the register, the bit manipulated by this
code is "CAPACITY_MODE" (Smart Battery System Specifications).
Signed-off-by: Jean-Francois Dagenais <jeff.dagenais@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

drivers/power/supply/sbs-battery.c

@@ -5,6 +5,7 @@
  * Copyright (c) 2010, NVIDIA Corporation.
  */
 
+#include <linux/bits.h>
 #include <linux/delay.h>
 #include <linux/err.h>
 #include <linux/gpio/consumer.h>
@@ -46,10 +47,10 @@ enum {
 
 /* Battery Mode defines */
 #define BATTERY_MODE_OFFSET		0x03
-#define BATTERY_MODE_MASK		0x8000
-enum sbs_battery_mode {
-	BATTERY_MODE_AMPS = 0,
-	BATTERY_MODE_WATTS = 0x8000
+#define BATTERY_MODE_CAPACITY_MASK	BIT(15)
+enum sbs_capacity_mode {
+	CAPACITY_MODE_AMPS = 0,
+	CAPACITY_MODE_WATTS = BATTERY_MODE_CAPACITY_MASK
 };
 
 /* manufacturer access defines */
@@ -518,8 +519,8 @@ static void  sbs_unit_adjustment(struct i2c_client *client,
 	}
 }
 
-static enum sbs_battery_mode sbs_set_battery_mode(struct i2c_client *client,
-	enum sbs_battery_mode mode)
+static enum sbs_capacity_mode sbs_set_capacity_mode(struct i2c_client *client,
+	enum sbs_capacity_mode mode)
 {
 	int ret, original_val;
 
@@ -527,13 +528,13 @@ static enum sbs_battery_mode sbs_set_battery_mode(struct i2c_client *client,
 	if (original_val < 0)
 		return original_val;
 
-	if ((original_val & BATTERY_MODE_MASK) == mode)
+	if ((original_val & BATTERY_MODE_CAPACITY_MASK) == mode)
 		return mode;
 
-	if (mode == BATTERY_MODE_AMPS)
-		ret = original_val & ~BATTERY_MODE_MASK;
+	if (mode == CAPACITY_MODE_AMPS)
+		ret = original_val & ~BATTERY_MODE_CAPACITY_MASK;
 	else
-		ret = original_val | BATTERY_MODE_MASK;
+		ret = original_val | BATTERY_MODE_CAPACITY_MASK;
 
 	ret = sbs_write_word_data(client, BATTERY_MODE_OFFSET, ret);
 	if (ret < 0)
@@ -541,7 +542,7 @@ static enum sbs_battery_mode sbs_set_battery_mode(struct i2c_client *client,
 
 	usleep_range(1000, 2000);
 
-	return original_val & BATTERY_MODE_MASK;
+	return original_val & BATTERY_MODE_CAPACITY_MASK;
 }
 
 static int sbs_get_battery_capacity(struct i2c_client *client,
@@ -549,12 +550,12 @@ static int sbs_get_battery_capacity(struct i2c_client *client,
 	union power_supply_propval *val)
 {
 	s32 ret;
-	enum sbs_battery_mode mode = BATTERY_MODE_WATTS;
+	enum sbs_capacity_mode mode = CAPACITY_MODE_WATTS;
 
 	if (power_supply_is_amp_property(psp))
-		mode = BATTERY_MODE_AMPS;
+		mode = CAPACITY_MODE_AMPS;
 
-	mode = sbs_set_battery_mode(client, mode);
+	mode = sbs_set_capacity_mode(client, mode);
 	if (mode < 0)
 		return mode;
 
@@ -564,7 +565,7 @@ static int sbs_get_battery_capacity(struct i2c_client *client,
 
 	val->intval = ret;
 
-	ret = sbs_set_battery_mode(client, mode);
+	ret = sbs_set_capacity_mode(client, mode);
 	if (ret < 0)
 		return ret;