linux-kernel - Re: [PATCH] Add a quirk for the Dell XPS 13 (2015) when in PS/2 mode.

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Message-ID: <54E7AD08.9010406@dell.com>
Date:	Fri, 20 Feb 2015 15:54:16 -0600
From:	Mario Limonciello <mario_limonciello@...l.com>
To:	Pali Rohár <pali.rohar@...il.com>
CC:	Benjamin Tissoires <benjamin.tissoires@...il.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	Rob <robr.bensson@...il.com>
Subject: Re: [PATCH] Add a quirk for the Dell XPS 13 (2015) when in PS/2 mode.


On 02/20/2015 03:46 PM, Pali Rohár wrote:
> On Friday 20 February 2015 22:40:38 Mario Limonciello wrote:
> Maybe stupid question, but cannot you call that code which put
> sound card into HDA mode from kernel? It could fix problem when
> either sound or touchpad is not working...
>

As I understand with the HW and FW design this action needs to be done from the EC and it's only effective for "the next boot".  The current boot will use the value cached from previous boot.
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