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HID: wiimote: Allow direct DRM debug access

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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>
This commit is contained in:
David Herrmann
2011-11-17 14:12:12 +01:00
committed by Jiri Kosina
parent 1d3452c63d
commit 43d782ae80
3 changed files with 107 additions and 4 deletions
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2
drivers/hid/hid-wiimote-core.c
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@@ -238,6 +238,7 @@ void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm)
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 @@ static struct wiimote_data *wiimote_create(struct hid_device *hdev)
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;