linux-kernel - Re: [PATCH] HP mobile data protection system driver

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Date:	Fri, 13 Oct 2006 18:13:41 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Dave Jones <davej@...hat.com>
Cc:	Jesper Juhl <jesper.juhl@...il.com>,
	Burman Yan <yan_952@...mail.com>, linux-kernel@...r.kernel.org,
	Andrey Panin <pazke@...pac.ru>
Subject: Re: [PATCH] HP mobile data protection system driver

Ar Gwe, 2006-10-13 am 11:50 -0400, ysgrifennodd Dave Jones:
> Better yet, would be to use the same interface the hdaps driver uses
> so that userspace written for one accelerometer works with any hardware.
> Having to cope with a dozen different drivers who export in different
> places is just silly.

Agreed. We already have an interface layer for reporting multiple
dimensions of motion control - the joystick interface. I think we really
ought to use that with some way to spot that its HDAPS etc so drivers
can decide to use it for its intended purpose (eg a different device
name scheme). The joystick compatibility would also mean it can "just
work" if you tell games to use the device.

Alan
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