linux-kernel - Re: [PATCH 17/20] Input: atmel_mxt_ts - use cached T9 reportid range in isr

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Message-ID: <4F68A29A.7060700@itdev.co.uk>
Date:	Tue, 20 Mar 2012 08:30:34 -0700
From:	Nick Dyer <nick.dyer@...ev.co.uk>
To:	Daniel Kurtz <djkurtz@...omium.org>
CC:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Iiro Valkonen <iiro.valkonen@...el.com>,
	Henrik Rydberg <rydberg@...omail.se>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Benson Leung <bleung@...omium.org>,
	Yufeng Shen <miletus@...omium.org>
Subject: Re: [PATCH 17/20] Input: atmel_mxt_ts - use cached T9 reportid range
 in isr

Daniel Kurtz wrote:
> Streamline interrupt processing by caching the T9 reportid range when
> first initializing the object table.
> 
> Note: the cached T9 reportid's are initialized to 0, which is an invalid
> reportid.  Thus, the checks in the interrupt handler will always fail
> for devices that do not support the T9 object.
> 
> Signed-off-by: Daniel Kurtz <djkurtz@...omium.org>

You need to support the case where there are multiple T9 instances.

-- 
Nick Dyer
Software Engineer, ITDev Ltd
Hardware and Software Development Consultancy
Website: http://www.itdev.co.uk
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