linux-kernel - Re: [PATCH 1/2] input: mt: Support separate contact and finger count reports

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Message-ID: <20101213023430.GB21401@core.coreip.homeip.net>
Date:	Sun, 12 Dec 2010 18:34:31 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Henrik Rydberg <rydberg@...omail.se>
Cc:	Jiri Kosina <jkosina@...e.cz>, Ping Cheng <pingc@...om.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] input: mt: Support separate contact and finger count
 reports

On Sat, Dec 11, 2010 at 11:28:27AM +0100, Henrik Rydberg wrote:
> A number of old and semi-recent touch devices are capable of counting
> the number of fingers on the pad within being able to give details for
> all individual contacts. This patch simplifies reporting for such
> hardware by providing a separate function for finger count.
> 

Looks good, just a couple nits below.

>  
>  /**
> + * input_mt_report_finger_count() - report contact count via buttons

"via buttons" is awkward, I'd simply dropped it,

> + * @dev: input device with allocated MT slots
> + * @count: the number of contacts
> + *
> + * Reports the contact count via BTN_TOOL_FINGER, BTN_TOOL_DOUBLETAP,
> + * BTN_TOOL_TRIPLETAP and BTN_TOOL_QUADTAP.
> + *
> + * The input core ensures only the KEY axes already setup for

s/axes/events/ ?

-- 
Dmitry
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