HID: i2c-hid: acpi: Move GUID out of function and described it

Move static GUID variable out of the function and add a comment
how it looks like in the human readable representation.

While at it, include uuid.h since the guid_t type is defined in it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/i2c-hid/i2c-hid-acpi.c b/drivers/hid/i2c-hid/i2c-hid-acpi.c
index 70955f2..a4810f1 100644 (file)
--- a/drivers/hid/i2c-hid/i2c-hid-acpi.c
+++ b/drivers/hid/i2c-hid/i2c-hid-acpi.c
@@ -25,6 +25,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/pm.h>
+#include <linux/uuid.h>
 
 #include "i2c-hid.h"
 
@@ -42,11 +43,13 @@ static const struct acpi_device_id i2c_hid_acpi_blacklist[] = {
        { },
 };
 
+/* HID I²C Device: 3cdff6f7-4267-4555-ad05-b30a3d8938de */
+static guid_t i2c_hid_guid =
+       GUID_INIT(0x3CDFF6F7, 0x4267, 0x4555,
+                 0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE);
+
 static int i2c_hid_acpi_get_descriptor(struct acpi_device *adev)
 {
-       static guid_t i2c_hid_guid =
-               GUID_INIT(0x3CDFF6F7, 0x4267, 0x4555,
-                         0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE);
        acpi_handle handle = acpi_device_handle(adev);
        union acpi_object *obj;
        u16 hid_descriptor_address;