linux-kernel - Re: [PATCH v6 4/9] Input: goodix - write configuration data to device

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Message-ID: <1443192040.17020.26.camel@hadess.net>
Date:	Fri, 25 Sep 2015 16:40:40 +0200
From:	Bastien Nocera <hadess@...ess.net>
To:	Irina Tirdea <irina.tirdea@...el.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Aleksei Mamlin <mamlinav@...il.com>,
	linux-input@...r.kernel.org
Cc:	Mark Rutland <mark.rutland@....com>,
	Octavian Purdila <octavian.purdila@...el.com>,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v6 4/9] Input: goodix - write configuration data to
 device

On Tue, 2015-09-15 at 17:31 +0300, Irina Tirdea wrote:
> Goodix devices can be configured by writing custom data to the device
> at
> init. The configuration data is read with request_firmware from
> "goodix_<id>_cfg.bin", where <id> is the product id read from the
> device
> (e.g.: goodix_911_cfg.bin for Goodix GT911, goodix_9271_cfg.bin for
> GT9271).
> 
> The configuration information has a specific format described in the
> Goodix
> datasheet. It includes X/Y resolution, maximum supported touch
> points,
> interrupt flags, various sesitivity factors and settings for advanced

sensitivity.
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