intel_menlow: reduce code duplication

aux0_show and aux1_show consists of almost identical code. Pull that
into a common helper and make them thin wrappers. Similarly for
_store.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
diff --git a/drivers/platform/x86/intel_menlow.c b/drivers/platform/x86/intel_menlow.c
index 0a919d8..cbe0102 100644
--- a/drivers/platform/x86/intel_menlow.c
+++ b/drivers/platform/x86/intel_menlow.c
@@ -306,66 +306,61 @@
 #define to_intel_menlow_attr(_attr)	\
 	container_of(_attr, struct intel_menlow_attribute, attr)
 
-static ssize_t aux0_show(struct device *dev,
-			 struct device_attribute *dev_attr, char *buf)
+static ssize_t aux_show(struct device *dev, struct device_attribute *dev_attr,
+			char *buf, int idx)
 {
 	struct intel_menlow_attribute *attr = to_intel_menlow_attr(dev_attr);
 	unsigned long long value;
 	int result;
 
-	result = sensor_get_auxtrip(attr->handle, 0, &value);
+	result = sensor_get_auxtrip(attr->handle, idx, &value);
 
 	return result ? result : sprintf(buf, "%lu", DECI_KELVIN_TO_CELSIUS(value));
 }
 
+static ssize_t aux0_show(struct device *dev,
+			 struct device_attribute *dev_attr, char *buf)
+{
+	return aux_show(dev, dev_attr, buf, 0);
+}
+
 static ssize_t aux1_show(struct device *dev,
 			 struct device_attribute *dev_attr, char *buf)
 {
+	return aux_show(dev, dev_attr, buf, 1);
+}
+
+static ssize_t aux_store(struct device *dev, struct device_attribute *dev_attr,
+			 const char *buf, size_t count, int idx)
+{
 	struct intel_menlow_attribute *attr = to_intel_menlow_attr(dev_attr);
-	unsigned long long value;
+	int value;
 	int result;
 
-	result = sensor_get_auxtrip(attr->handle, 1, &value);
+	/*Sanity check; should be a positive integer */
+	if (!sscanf(buf, "%d", &value))
+		return -EINVAL;
 
-	return result ? result : sprintf(buf, "%lu", DECI_KELVIN_TO_CELSIUS(value));
+	if (value < 0)
+		return -EINVAL;
+
+	result = sensor_set_auxtrip(attr->handle, idx, 
+				    CELSIUS_TO_DECI_KELVIN(value));
+	return result ? result : count;
 }
 
 static ssize_t aux0_store(struct device *dev,
 			  struct device_attribute *dev_attr,
 			  const char *buf, size_t count)
 {
-	struct intel_menlow_attribute *attr = to_intel_menlow_attr(dev_attr);
-	int value;
-	int result;
-
-	/*Sanity check; should be a positive integer */
-	if (!sscanf(buf, "%d", &value))
-		return -EINVAL;
-
-	if (value < 0)
-		return -EINVAL;
-
-	result = sensor_set_auxtrip(attr->handle, 0, CELSIUS_TO_DECI_KELVIN(value));
-	return result ? result : count;
+	return aux_store(dev, dev_attr, buf, count, 0);
 }
 
 static ssize_t aux1_store(struct device *dev,
 			  struct device_attribute *dev_attr,
 			  const char *buf, size_t count)
 {
-	struct intel_menlow_attribute *attr = to_intel_menlow_attr(dev_attr);
-	int value;
-	int result;
-
-	/*Sanity check; should be a positive integer */
-	if (!sscanf(buf, "%d", &value))
-		return -EINVAL;
-
-	if (value < 0)
-		return -EINVAL;
-
-	result = sensor_set_auxtrip(attr->handle, 1, CELSIUS_TO_DECI_KELVIN(value));
-	return result ? result : count;
+	return aux_store(dev, dev_attr, buf, count, 1);
 }
 
 /* BIOS can enable/disable the thermal user application in dabney platform */