Staging: quickstart: Some style, whitespaces and typos fixes

Signed-off-by: Szymon Janc <szymon@janc.net.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/quickstart/quickstart.c

@@ -4,7 +4,7 @@
  *
  *  Copyright (C) 2007-2010 Angelo Arrifano <miknix@gmail.com>
  *
- *  Information gathered from disassebled dsdt and from here:
+ *  Information gathered from disassembled dsdt and from here:
  *  <http://www.microsoft.com/whdc/system/platform/firmware/DirAppLaunch.mspx>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -47,9 +47,11 @@ MODULE_LICENSE("GPL");
 
 #define QUICKSTART_MAX_BTN_NAME_LEN	16
 
-/* There will be two events:
+/*
+ * There will be two events:
  * 0x02 - A hot button was pressed while device was off/sleeping.
-	 * 0x80 - A hot button was pressed while device was up. */
+ * 0x80 - A hot button was pressed while device was up.
+ */
 #define QUICKSTART_EVENT_WAKE		0x02
 #define QUICKSTART_EVENT_RUNTIME	0x80
 
@@ -64,7 +66,7 @@ static struct quickstart_driver_data {
 	struct quickstart_btn *pressed;
 } quickstart_data;
 
-/* ACPI driver Structs */
+/* ACPI driver structs */
 struct quickstart_acpi {
 	struct acpi_device *device;
 	struct quickstart_btn *btn;
@@ -111,9 +113,7 @@ static struct platform_driver pf_driver = {
 	}
 };
 
-/*
- * Platform driver functions
- */
+/* Platform driver functions */
 static ssize_t buttons_show(struct device *dev,
 					struct device_attribute *attr,
 					char *buf)
@@ -160,7 +160,7 @@ static ssize_t pressed_button_store(struct device *dev,
 	return count;
 }
 
-/* Hotstart Helper functions */
+/* Helper functions */
 static int quickstart_btnlst_add(struct quickstart_btn **data)
 {
 	struct quickstart_btn **ptr = &quickstart_data.btn_lst;
@@ -240,10 +240,12 @@ static void quickstart_acpi_ghid(struct quickstart_acpi *quickstart)
 	if (!quickstart)
 		return;
 
-	/* This returns a buffer telling the button usage ID,
-	 * and triggers pending notify events (The ones before booting). */
-	status = acpi_evaluate_object(quickstart->device->handle,
-					"GHID", NULL, &buffer);
+	/*
+	 * This returns a buffer telling the button usage ID,
+	 * and triggers pending notify events (The ones before booting).
+	 */
+	status = acpi_evaluate_object(quickstart->device->handle, "GHID", NULL,
+								&buffer);
 	if (ACPI_FAILURE(status) || !buffer.pointer) {
 		printk(KERN_ERR "quickstart: %s GHID method failed.\n",
 						quickstart->btn->name);
@@ -253,9 +255,11 @@ static void quickstart_acpi_ghid(struct quickstart_acpi *quickstart)
 	if (buffer.length < 8)
 		return;
 
-	/* <<The GHID method can return a BYTE, WORD, or DWORD.
+	/*
+	 * <<The GHID method can return a BYTE, WORD, or DWORD.
 	 * The value must be encoded in little-endian byte
-	 * order (least significant byte first).>> */
+	 * order (least significant byte first).>>
+	 */
 	usageid = *((uint32_t *)(buffer.pointer + (buffer.length - 8)));
 	quickstart->btn->id = usageid;
 
@@ -339,20 +343,17 @@ static int quickstart_acpi_remove(struct acpi_device *device, int type)
 
 	quickstart = acpi_driver_data(device);
 
-	status = acpi_remove_notify_handler(device->handle,
-						 ACPI_ALL_NOTIFY,
+	status = acpi_remove_notify_handler(device->handle, ACPI_ALL_NOTIFY,
 						quickstart_acpi_notify);
 	if (ACPI_FAILURE(status))
 		printk(KERN_ERR "quickstart: Error removing notify handler\n");
 
-
 	kfree(quickstart);
 
 	return 0;
 }
 
 /* Module functions */
-
 static void quickstart_exit(void)
 {
 	input_unregister_device(quickstart_input);
@@ -367,8 +368,6 @@ static void quickstart_exit(void)
 	acpi_bus_unregister_driver(&quickstart_acpi_driver);
 
 	quickstart_btnlst_free();
-
-	return;
 }
 
 static int __init quickstart_init_input(void)
@@ -444,7 +443,6 @@ static int __init quickstart_init(void)
 	if (ret)
 		goto fail_dev_file2;
 
-
 	/* Input device */
 	ret = quickstart_init_input();
 	if (ret)