linux-kernel - Re: [linux-sunxi] Re: [PATCH v3 2/3] dt-bindings: input: Add R

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]

Message-ID: <CAAST=9yWEO7qdZvZJPDKhYnqSwT_fJLcyN_f3eGrLQ15EMvSzQ@mail.gmail.com>
Date:   Thu, 29 Jun 2017 12:45:51 +0800
From:   Ziping Chen <techping.chan@...il.com>
To:     Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:     icenowy@...c.io, Chen-Yu Tsai <wens@...e.org>,
        Rob Herring <robh@...nel.org>, mark.rutland@....com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: Re: [linux-sunxi] Re: [PATCH v3 2/3] dt-bindings: input: Add R_LRADC
 support for A83T

2017-06-28 1:36 GMT+08:00 Maxime Ripard <maxime.ripard@...e-electrons.com>:
> Hi,
>
> On Tue, Jun 27, 2017 at 11:29:10PM +0800, icenowy@...c.io wrote:
>> Maxime, here's another problem: if we have already a GP LRADC driver,
>> how can we tell the kernel to use it as IIO ADC rather than keys?
>
> The GPADC IIO driver is not for the LRADC driver, but the GPADC /
> temperature sensor.
>
> We used to have an LRADC IIO driver in the CHIP BSP written by Alex
> (in CC):
> https://github.com/NextThingCo/CHIP-linux/commit/8675b761c54be73dc7cc0113209f02e10cc63a27
>
> But he never mainlined it.
>
>> Should we introduce a new property for this once ready?
>
> We need to keep the current binding. We can just check for the
> presence or not of child nodes to see if it has some keys, and we'd
> need an IIO-to-input driver that is yet to be written.
>

Yes, then we need an iio-to-input driver...
So...whether the driver(a83t lradc keys) can be applied now,
or we should wait for the iio-to-input driver.

Thanks
Ziping

> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com