ACPI: sysfs: fix some coding style issues

Fix some coding style issues reported by checkpatch.pl, including
following types:

WARNING: Missing a blank line after declarations
WARNING: Block comments should align the * on each line
ERROR: open brace '{' following function definitions go on the next line

Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/device_sysfs.c

@@ -73,6 +73,7 @@ static const struct sysfs_ops acpi_data_node_sysfs_ops = {
 static void acpi_data_node_release(struct kobject *kobj)
 {
 	struct acpi_data_node *dn = to_data_node(kobj);
+
 	complete(&dn->kobj_done);
 }
 
@@ -130,7 +131,7 @@ static void acpi_hide_nondev_subnodes(struct acpi_device_data *data)
  * Return: 0: no _HID and no _CID
  *         -EINVAL: output error
  *         -ENOMEM: output is truncated
-*/
+ */
 static int create_pnp_modalias(struct acpi_device *acpi_dev, char *modalias,
 			       int size)
 {
@@ -431,7 +432,8 @@ static DEVICE_ATTR_RO(path);
 /* sysfs file that shows description text from the ACPI _STR method */
 static ssize_t description_show(struct device *dev,
 				struct device_attribute *attr,
-				char *buf) {
+				char *buf)
+{
 	struct acpi_device *acpi_dev = to_acpi_device(dev);
 	int result;
 
@@ -456,7 +458,8 @@ static DEVICE_ATTR_RO(description);
 
 static ssize_t
 sun_show(struct device *dev, struct device_attribute *attr,
-	 char *buf) {
+	 char *buf)
+{
 	struct acpi_device *acpi_dev = to_acpi_device(dev);
 	acpi_status status;
 	unsigned long long sun;
@@ -471,7 +474,8 @@ static DEVICE_ATTR_RO(sun);
 
 static ssize_t
 hrv_show(struct device *dev, struct device_attribute *attr,
-	 char *buf) {
+	 char *buf)
+{
 	struct acpi_device *acpi_dev = to_acpi_device(dev);
 	acpi_status status;
 	unsigned long long hrv;
@@ -485,7 +489,8 @@ hrv_show(struct device *dev, struct device_attribute *attr,
 static DEVICE_ATTR_RO(hrv);
 
 static ssize_t status_show(struct device *dev, struct device_attribute *attr,
-				char *buf) {
+				char *buf)
+{
 	struct acpi_device *acpi_dev = to_acpi_device(dev);
 	acpi_status status;
 	unsigned long long sta;