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 * All rights reserved.
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 * are permitted provided that the following conditions are met:
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 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 */

/*
 * Bug 220:
 *
 * SUMMARY: Inconsistent "Access is available/unavailable" _REG method calls
 */

Device(D220) {
	Name(ACTV, 0)
	Name(DACT, 0)
	Name(NERR, 0)

	Method(_REG, 2)
	{
		Store("_REG:", Debug)
		Store(arg0, Debug)
		Store(arg1, Debug)

		if (arg0) {
			Increment(NERR)
		} elseif (LGreater(arg1, 1)) {
			Increment(NERR)
		} elseif (arg1) {
			Increment(ACTV)
		} else {
			Increment(DACT)
		}
	}

	OperationRegion(OPR0, SystemMemory, 0x2000, 0x100)
}

Method(m108)
{
	if (\D220.NERR) {
		err("", zFFF, 0x000, 0, 0, \D220.NERR, 0)
	}

	Subtract(\D220.ACTV, \D220.DACT, Local0)

	if (LNotEqual(Local0, 1)) {
		err("", zFFF, 0x001, 0, 0, Local0, 1)
	}
}