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>
diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c
index 2fd2f03..745667e 100644
--- a/drivers/hid/hid-wiimote-core.c
+++ b/drivers/hid/hid-wiimote-core.c
@@ -238,6 +238,7 @@
cmd[1] = 0;
cmd[2] = drm;
+ wdata->state.drm = drm;
wiiproto_keep_rumble(wdata, &cmd[1]);
wiimote_queue(wdata, cmd, sizeof(cmd));
}
@@ -1141,6 +1142,7 @@
spin_lock_init(&wdata->state.lock);
init_completion(&wdata->state.ready);
mutex_init(&wdata->state.sync);
+ wdata->state.drm = WIIPROTO_REQ_DRM_K;
return wdata;