Input: scancode in get/set_keycodes should be unsigned

The HID layer has some scan codes of the form 0xffbc0000 for logitech
devices which do not work if scancode is typed as signed int, so we need
to switch to unsigned it instead. While at it keycode being signed does
not make much sense either.

Acked-by: Márton Németh <nm127@freemail.hu>
Acked-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c
index fbd3987af57f..e6bde55e5203 100644
--- a/drivers/input/sparse-keymap.c
+++ b/drivers/input/sparse-keymap.c
@@ -64,7 +64,8 @@ struct key_entry *sparse_keymap_entry_from_keycode(struct input_dev *dev,
 EXPORT_SYMBOL(sparse_keymap_entry_from_keycode);
 
 static int sparse_keymap_getkeycode(struct input_dev *dev,
-                                    int scancode, int *keycode)
+                                    unsigned int scancode,
+                                    unsigned int *keycode)
 {
         const struct key_entry *key =
                         sparse_keymap_entry_from_scancode(dev, scancode);
@@ -78,7 +79,8 @@ static int sparse_keymap_getkeycode(struct input_dev *dev,
 }
 
 static int sparse_keymap_setkeycode(struct input_dev *dev,
-                                    int scancode, int keycode)
+                                    unsigned int scancode,
+                                    unsigned int keycode)
 {
         struct key_entry *key;
         int old_keycode;