From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov 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 Message-ID: <20160823200335.GC6712@dtor-ws> References: <20160823061649.3394-1-vigneshr@ti.com> <20160823061649.3394-2-vigneshr@ti.com> <949d92f3-4510-ada5-d3d6-a29544465fd6@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <949d92f3-4510-ada5-d3d6-a29544465fd6@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: "Andrew F. Davis" Cc: Vignesh R , Rob Herring , Mark Rutland , Tony Lindgren , Russell King , Arnd Bergmann , Daniel Hung-yu Wu , Grant Grundler , S Twiss , Moritz Fischer , Jorge Ramirez-Ortiz , John Stultz , 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 List-Id: devicetree@vger.kernel.org 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 > > Acked-by: Rob Herring > > --- > > > > 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