linux-kernel - Re: [PATCH] platform/x86: Add Asus Wireless Radio Control driver

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Date:	Tue, 5 Jan 2016 09:26:23 -0800
From:	Darren Hart <dvhart@...radead.org>
To:	João Paulo Rechi Vita <jprvita@...il.com>
Cc:	Corentin Chary <corentin.chary@...il.com>,
	andy.shevchenko@...il.com, platform-driver-x86@...r.kernel.org,
	acpi4asus-user@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	João Paulo Rechi Vita 
	<jprvita@...lessm.com>
Subject: Re: [PATCH] platform/x86: Add Asus Wireless Radio Control driver

On Tue, Jan 05, 2016 at 11:16:53AM -0500, João Paulo Rechi Vita wrote:
> Some Asus notebooks like the Asus E202SA and the Asus X555UB have a
> separate ACPI device for notifications from the airplane mode hotkey.
> This device is called "Wireless Radio Control" in Asus websites and ASHS
> in the DSDT, and its ACPI _HID is ATK4002 in the two models mentioned
> above.
> 
> For these models, when the airplane mode hotkey (Fn+F2) is pressed, a
> query 0x0B is started in the Embedded Controller, and all this query does
> is a notify ASHS with the value 0x88 (for acpi_osi >= "Windows 2012"):
> 
> 	Scope (_SB.PCI0.SBRG.EC0)
> 	{
> 		(...)
> 		Method (_Q0B, 0, NotSerialized)  // _Qxx: EC Query
> 		{
> 			If ((MSOS () >= OSW8))
> 			{
> 				Notify (ASHS, 0x88) // Device-Specific
> 			}
> 			Else
> 			{
> 				(...)
> 			}
> 		}
> 	}
> 
> Signed-off-by: João Paulo Rechi Vita <jprvita@...lessm.com>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>

Queued to testing, thanks!

-- 
Darren Hart
Intel Open Source Technology Center
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