linux-kernel - Re: [PATCH] HID: multitouch: fix LG Melfas touchscreen

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] [day] [month] [year] [list]

Date:   Fri, 3 Feb 2017 14:47:29 +0100 (CET)
From:   Jiri Kosina <jikos@...nel.org>
To:     Benjamin Tissoires <benjamin.tissoires@...hat.com>
cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: multitouch: fix LG Melfas touchscreen

On Mon, 30 Jan 2017, Benjamin Tissoires wrote:

> The LG Melfas touchscreen has a bad firmware where it declares the
> Contact ID field as constant while it shouldn't. This messes up the
> autodetection and the reporting of the events by hid-multitouch given
> that hid-input ignores constant fields.
> 
> The autodetection is simply worked around by manually adding the device
> to hid_have_special_driver.
> 
> The processing of the events requires either a report fixup, either some

I've fixed the grammar here ...

> specific case handling. Given that the report fixup would require to
> basically rewrite all the report descriptor, I went for the programatic
> way of fixing that after the report descriptors are loaded.
> 
> Link: https://bugzilla.redhat.com/show_bug.cgi?id=1416181
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>

... and applied to for-4.10/upstream-fixes; I don't think this patch 
itself would justify a -rc7 merge by itself, therefore either something 
else accumulates in for-4.10 branch, or this will go in during 4.11 merge 
window.

Thanks,

-- 
Jiri Kosina
SUSE Labs