linux-kernel - Re: [Resend] [PATCH] asus-laptop: add Lenovo SL LenovoCare LED support

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Message-ID: <71cd59b00912080932nf334ba7uf65c70178fec41a5@mail.gmail.com>
Date:	Tue, 8 Dec 2009 18:32:15 +0100
From:	Corentin Chary <corentin.chary@...il.com>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Ike Panhc <ike.pan@...onical.com>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, acpi4asus-user@...ts.sourceforge.net,
	Alexandre Rostovtsev <tetromino@...il.com>
Subject: Re: [Resend] [PATCH] asus-laptop: add Lenovo SL LenovoCare LED 
	support

On Tue, Dec 8, 2009 at 4:41 PM, Matthew Garrett <mjg59@...f.ucam.org> wrote:
> On Tue, Dec 08, 2009 at 03:37:09PM +0800, Ike Panhc wrote:
>
>>  ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED");      /* W1JC */
>>  ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED");      /* A7J */
>>  ASUS_HANDLE(gled_set, ASUS_HOTK_PREFIX "GLED");      /* G1, G2 (probably) */
>
> The driver is controlling the ATKD device, which has a HID of ATK0101.
> These devices are all underneath it...
>
>> +ASUS_HANDLE(lled_set, "\\_SB_.PCI0.SBRG.EC0_.HKEY.TVLS"); /* LenovoCare */
>
> And this one isn't, which is a bit jarring. Looking closer, it's under
> the LEN0014 device, which means that you're trying to touch a method
> that belongs to a device other than the one this driver is bound to.
> That's wrong. You want a separate ACPI driver for the LEN0014 device,
> and this should be called for there. Looking at it, you seem to get
> rfkill as well (the GWAN/SWAN, GBDC/SBDF and GUWB/SUWB methods) and
> maybe some other stuff.
>
> So this shouldn't go in asus-laptop. You'll need to add another separate
> driver for the SL-specific functionality.

That means asus-laptop and sl-laptop will be both needed for a SL
laptop, but I don't think this is a problem.



-- 
Corentin Chary
http://xf.iksaif.net
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