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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/