linux-kernel - Re: [PATCH] Input: psmouse - when comparing PNP IDs ignore case

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Message-ID: <20150302221947.GA30717@dtor-glaptop>
Date:	Mon, 2 Mar 2015 14:19:47 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Jeff Epler <jepler@...ythonic.net>
Cc:	linux-input@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: psmouse - when comparing PNP IDs ignore case

Hi Jeff,

On Mon, Mar 02, 2015 at 04:14:37PM -0600, Jeff Epler wrote:
> On Fri, Feb 27, 2015 at 04:18:52PM -0800, Dmitry Torokhov wrote:
> > PNP IDs are supposed to be case-insensitive and so we should compare
> > them as such.
> 
> Have specific systems popped up which need this fix, or is it just in
> the interests of being correct?  If there are specific system(s) that
> are affected, it would be valuable to list them or at least say so.

It is needed by another patch identifying SYN300D as a forcepad whereas in
BIOS it is actually SYN300d. While we could change the kernel to match against
SYN300d I am not sure if somebody else won't use SYN300D in some other BIOS.

Thanks.

-- 
Dmitry
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