HID: wiimote: Allow direct DRM debug access

Keep track of current drm and add new debugfs file which reads or writes the
current DRM.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h
index 7b6765797f81..c81dbeb086c5 100644
--- a/drivers/hid/hid-wiimote.h
+++ b/drivers/hid/hid-wiimote.h
@@ -52,6 +52,7 @@ struct wiimote_state {
         spinlock_t lock;
         __u8 flags;
         __u8 accel_split[2];
+        __u8 drm;
 
         /* synchronous cmd requests */
         struct mutex sync;
@@ -109,6 +110,7 @@ enum wiiproto_reqs {
         WIIPROTO_REQ_DRM_E = 0x3d,
         WIIPROTO_REQ_DRM_SKAI1 = 0x3e,
         WIIPROTO_REQ_DRM_SKAI2 = 0x3f,
+        WIIPROTO_REQ_MAX
 };
 
 #define dev_to_wii(pdev) hid_get_drvdata(container_of(pdev, struct hid_device, \