From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: "Andrew F. Davis" <afd@ti.com>
Cc: Vignesh R <vigneshr@ti.com>, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Tony Lindgren <tony@atomide.com>,
Russell King <linux@armlinux.org.uk>,
Arnd Bergmann <arnd@arndb.de>,
Daniel Hung-yu Wu <hywu@google.com>,
Grant Grundler <grundler@chromium.org>,
S Twiss <stwiss.opensource@diasemi.com>,
Moritz Fischer <moritz.fischer@ettus.com>,
Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>,
John Stultz <john.stultz@linaro.org>,
linux-input@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 1/2] input: misc: Add generic input driver to read encoded GPIO lines
Date: Tue, 23 Aug 2016 13:03:35 -0700 [thread overview]
Message-ID: <20160823200335.GC6712@dtor-ws> (raw)
In-Reply-To: <949d92f3-4510-ada5-d3d6-a29544465fd6@ti.com>
On Tue, Aug 23, 2016 at 10:27:59AM -0500, Andrew F. Davis wrote:
> On 08/23/2016 01:16 AM, Vignesh R wrote:
> > Add a driver to read group of GPIO lines and provide its status as a
> > numerical value as input event to the system. This will help in
> > intefacing devices, that can be connected over GPIOs, that provide input
> > to the system by driving GPIO lines connected to them like a rotary dial
> > or a switch.
> >
> > For example, a rotary switch can be connected to four GPIO lines. The
> > status of the GPIO lines reflect the actual position of the rotary
> > switch dial. For example, if dial points to 9, then the four GPIO lines
> > connected to the switch will read HLLH(0b'1001 = 9). This value
> > can be reported as an ABS_* event to the input subsystem.
> >
> > Signed-off-by: Vignesh R <vigneshr@ti.com>
> > Acked-by: Rob Herring <robh@kernel.org>
> > ---
> >
> > v2: Use decoder,max-value instead of gpio-decoder,max-value.
That's not what Rob asked for. "decoder-max-value", not "decoder" vendor
prefix.
Thanks.
--
Dmitry
next prev parent reply other threads:[~2016-08-23 20:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-23 6:16 [PATCH v2 0/2] AM335x-ICE: Add support for rotary switch Vignesh R
2016-08-23 6:16 ` [PATCH v2 1/2] input: misc: Add generic input driver to read encoded GPIO lines Vignesh R
2016-08-23 15:27 ` Andrew F. Davis
2016-08-23 20:01 ` Dmitry Torokhov
2016-08-24 6:39 ` Vignesh R
2016-08-23 20:03 ` Dmitry Torokhov [this message]
2016-08-24 6:39 ` Vignesh R
2016-08-23 6:16 ` [PATCH v2 2/2] ARM: dts: am335x-icev2: Add nodes for gpio-decoder Vignesh R
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