linux-kernel - Re: [PATCH v2] input: goodix: Check the 'buffer status' bit before reading data

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Message-ID: <1430489635.3945.3.camel@hadess.net>
Date:	Fri, 01 May 2015 16:13:55 +0200
From:	Bastien Nocera <hadess@...ess.net>
To:	Paul Cercueil <paul@...pouillou.net>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] input: goodix: Check the 'buffer status' bit before
 reading data

On Fri, 2015-05-01 at 14:40 +0200, Paul Cercueil wrote:
> The MSB of the first byte read via I2C at the coordinates address
> indicates whether the data is valid or ready (called "buffer status" 
> in
> the datasheets) when an interrupt is raised. Previously, this bit was
> ignored, which resulted in a lot of incorrect detections of "finger
> removed" events.
> 
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>

Signed-off-by: Bastien Nocera <hadess@...ess.net>
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