linux-kernel - Re: [PATCH v2 0/7] ideapad: hotkey enablement

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Date:	Mon, 13 Dec 2010 16:49:28 +0800
From:	Ike Panhc <ike.pan@...onical.com>
To:	Corentin Chary <corentin.chary@...il.com>
CC:	linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org,
	linux-acpi@...r.kernel.org, Matthew Garrett <mjg@...hat.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Dave Hansen <dave@...ux.vnet.ibm.com>
Subject: Re: [PATCH v2 0/7] ideapad: hotkey enablement

On 12/09/2010 04:39 PM, Corentin Chary wrote:
>> acpi_handle is still a global variable becuase we need to pass handle pointer
>> to rfk_set with its opcode but only one data argument available.
> 
> Of course there is only one data argument available, but since it's a
> void *, you
> can use a struct with your handle and the opcode :).
> 

I have tried it. It needs to copy the same handle three times to each struture.
Since we only have an acpi handle, I think to have it global will let driver
easy read.
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