linux-kernel - Re: [PATCH 2/6] Input: elantech - use firmware provided x, y ranges

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Message-ID: <20110818074756.GE10093@core.coreip.homeip.net>
Date:	Thu, 18 Aug 2011 00:47:56 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	JJ Ding <jj_ding@....com.tw>
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Seth Forshee <seth.forshee@...onical.com>,
	Aaron Huang <aaron_huang@....com.tw>,
	Tom Lin <tom_lin@....com.tw>,
	Eric Piel <E.A.B.Piel@...elft.nl>,
	Daniel Kurtz <djkurtz@...omium.org>,
	Chase Douglas <chase.douglas@...onical.com>,
	Henrik Rydberg <rydberg@...omail.se>,
	Alessandro Rubini <rubini@...l.unipv.it>
Subject: Re: [PATCH 2/6] Input: elantech - use firmware provided x, y ranges

On Thu, Aug 18, 2011 at 09:57:05AM +0800, JJ Ding wrote:
> +
> +		i = (etd->fw_version > 0x020800 &&
> +		     etd->fw_version < 0x020900) ? 1 : 2;
> +		*x_max = (etd->capabilities[1] - i) * 64;
> +		*y_max = (etd->capabilities[2] - i) * 64;
> +		*y_2ft_max = (*y_max - i) * 64 / 4;

Hmm, we should have the same range for ST and MT data and scale MT data
if it has lower resolution to match ST.

Thanks.

-- 
Dmitry
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