hwmon: (ltc4151) Use permission specific SENSOR[_DEVICE]_ATTR variants

Use SENSOR[_DEVICE]_ATTR[_2]_{RO,RW,WO} to simplify the source code,
to improve readability, and to reduce the chance of inconsistencies.

Also replace any remaining S_<PERMS> in the driver with octal values.

The conversion was done automatically with coccinelle. The semantic patches
and the scripts used to generate this commit log are available at
https://github.com/groeck/coccinelle-patches/hwmon/.

This patch does not introduce functional changes. It was verified by
compiling the old and new files and comparing text and data sizes.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/ltc4151.c

@@ -131,7 +131,7 @@ static int ltc4151_get_value(struct ltc4151_data *data, u8 reg)
 	return val;
 }
 
-static ssize_t ltc4151_show_value(struct device *dev,
+static ssize_t ltc4151_value_show(struct device *dev,
 				  struct device_attribute *da, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
@@ -148,14 +148,11 @@ static ssize_t ltc4151_show_value(struct device *dev,
 /*
  * Input voltages.
  */
-static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, ltc4151_show_value, NULL,
-			  LTC4151_VIN_H);
-static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, ltc4151_show_value, NULL,
-			  LTC4151_ADIN_H);
+static SENSOR_DEVICE_ATTR_RO(in1_input, ltc4151_value, LTC4151_VIN_H);
+static SENSOR_DEVICE_ATTR_RO(in2_input, ltc4151_value, LTC4151_ADIN_H);
 
 /* Currents (via sense resistor) */
-static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc4151_show_value, NULL,
-			  LTC4151_SENSE_H);
+static SENSOR_DEVICE_ATTR_RO(curr1_input, ltc4151_value, LTC4151_SENSE_H);
 
 /*
  * Finally, construct an array of pointers to members of the above objects,