53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
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/*
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* Debug support for HID Nintendo Wiimote devices
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* Copyright (c) 2011 David Herrmann
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/module.h>
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#include <linux/spinlock.h>
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#include "hid-wiimote.h"
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struct wiimote_debug {
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struct wiimote_data *wdata;
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};
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int wiidebug_init(struct wiimote_data *wdata)
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{
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struct wiimote_debug *dbg;
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unsigned long flags;
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dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
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if (!dbg)
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return -ENOMEM;
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dbg->wdata = wdata;
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spin_lock_irqsave(&wdata->state.lock, flags);
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wdata->debug = dbg;
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spin_unlock_irqrestore(&wdata->state.lock, flags);
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return 0;
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}
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void wiidebug_deinit(struct wiimote_data *wdata)
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{
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struct wiimote_debug *dbg = wdata->debug;
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unsigned long flags;
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if (!dbg)
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return;
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spin_lock_irqsave(&wdata->state.lock, flags);
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wdata->debug = NULL;
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spin_unlock_irqrestore(&wdata->state.lock, flags);
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kfree(dbg);
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}
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