platform/x86: hp-wmi: Use DEVICE_ATTR_(RO|RW) helper macros

Use the DEVICE_ATTR_(RO|RW) macros, ranaming the show and store
functions accordingly.
Signed-off-by: NDarren Hart (VMware) <dvhart@infradead.org>
Tested-by: NCarlo Caione <carlo@endlessm.com>
Reviewed-by: NAndy Shevchenko <andy.shevchenko@gmail.com>

drivers/platform/x86/hp-wmi.c

@@ -403,7 +403,7 @@ static int hp_wmi_rfkill2_refresh(void)
 	return 0;
 }
 
-static ssize_t show_display(struct device *dev, struct device_attribute *attr,
+static ssize_t display_show(struct device *dev, struct device_attribute *attr,
 			    char *buf)
 {
 	int value = hp_wmi_read_int(HPWMI_DISPLAY_QUERY);
@@ -412,7 +412,7 @@ static ssize_t show_display(struct device *dev, struct device_attribute *attr,
 	return sprintf(buf, "%d\n", value);
 }
 
-static ssize_t show_hddtemp(struct device *dev, struct device_attribute *attr,
+static ssize_t hddtemp_show(struct device *dev, struct device_attribute *attr,
 			    char *buf)
 {
 	int value = hp_wmi_read_int(HPWMI_HDDTEMP_QUERY);
@@ -421,7 +421,7 @@ static ssize_t show_hddtemp(struct device *dev, struct device_attribute *attr,
 	return sprintf(buf, "%d\n", value);
 }
 
-static ssize_t show_als(struct device *dev, struct device_attribute *attr,
+static ssize_t als_show(struct device *dev, struct device_attribute *attr,
 			char *buf)
 {
 	int value = hp_wmi_read_int(HPWMI_ALS_QUERY);
@@ -430,7 +430,7 @@ static ssize_t show_als(struct device *dev, struct device_attribute *attr,
 	return sprintf(buf, "%d\n", value);
 }
 
-static ssize_t show_dock(struct device *dev, struct device_attribute *attr,
+static ssize_t dock_show(struct device *dev, struct device_attribute *attr,
 			 char *buf)
 {
 	int value = hp_wmi_hw_state(HPWMI_DOCK_MASK);
@@ -439,8 +439,8 @@ static ssize_t show_dock(struct device *dev, struct device_attribute *attr,
 	return sprintf(buf, "%d\n", value);
 }
 
-static ssize_t show_tablet(struct device *dev, struct device_attribute *attr,
-			 char *buf)
+static ssize_t tablet_show(struct device *dev, struct device_attribute *attr,
+			   char *buf)
 {
 	int value = hp_wmi_hw_state(HPWMI_TABLET_MASK);
 	if (value < 0)
@@ -448,8 +448,8 @@ static ssize_t show_tablet(struct device *dev, struct device_attribute *attr,
 	return sprintf(buf, "%d\n", value);
 }
 
-static ssize_t show_postcode(struct device *dev, struct device_attribute *attr,
-			 char *buf)
+static ssize_t postcode_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
 {
 	/* Get the POST error code of previous boot failure. */
 	int value = hp_wmi_read_int(HPWMI_POSTCODEERROR_QUERY);
@@ -458,8 +458,8 @@ static ssize_t show_postcode(struct device *dev, struct device_attribute *attr,
 	return sprintf(buf, "0x%x\n", value);
 }
 
-static ssize_t set_als(struct device *dev, struct device_attribute *attr,
-		       const char *buf, size_t count)
+static ssize_t als_store(struct device *dev, struct device_attribute *attr,
+			 const char *buf, size_t count)
 {
 	u32 tmp = simple_strtoul(buf, NULL, 10);
 	int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp,
@@ -470,8 +470,8 @@ static ssize_t set_als(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-static ssize_t set_postcode(struct device *dev, struct device_attribute *attr,
-		       const char *buf, size_t count)
+static ssize_t postcode_store(struct device *dev, struct device_attribute *attr,
+			      const char *buf, size_t count)
 {
 	long unsigned int tmp2;
 	int ret;
@@ -491,12 +491,12 @@ static ssize_t set_postcode(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-static DEVICE_ATTR(display, S_IRUGO, show_display, NULL);
-static DEVICE_ATTR(hddtemp, S_IRUGO, show_hddtemp, NULL);
-static DEVICE_ATTR(als, S_IRUGO | S_IWUSR, show_als, set_als);
-static DEVICE_ATTR(dock, S_IRUGO, show_dock, NULL);
-static DEVICE_ATTR(tablet, S_IRUGO, show_tablet, NULL);
-static DEVICE_ATTR(postcode, S_IRUGO | S_IWUSR, show_postcode, set_postcode);
+static DEVICE_ATTR_RO(display);
+static DEVICE_ATTR_RO(hddtemp);
+static DEVICE_ATTR_RW(als);
+static DEVICE_ATTR_RO(dock);
+static DEVICE_ATTR_RO(tablet);
+static DEVICE_ATTR_RW(postcode);
 
 static void hp_wmi_notify(u32 value, void *context)
 {