From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v6] input: add ADC resistor ladder driver Date: Sun, 28 Aug 2016 19:33:28 -0500 Message-ID: <20160829003328.GA19426@rob-hp-laptop> References: <1471954696-11897-1-git-send-email-alexandre.belloni@free-electrons.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1471954696-11897-1-git-send-email-alexandre.belloni@free-electrons.com> Sender: linux-input-owner@vger.kernel.org To: Alexandre Belloni Cc: Dmitry Torokhov , devicetree@vger.kernel.org, linux-input@vger.kernel.org List-Id: devicetree@vger.kernel.org On Tue, Aug 23, 2016 at 02:18:16PM +0200, Alexandre Belloni wrote: > A common way of multiplexing buttons on a single input in cheap devices is > to use a resistor ladder on an ADC. This driver supports that configuration > by polling an ADC channel provided by IIO. > > Acked-by: Jonathan Cameron > Signed-off-by: Alexandre Belloni > --- > Changes in v6: > - switched to microvolts > > Changes in v5: > - Dmitry's changes > - s/mvolt/millivolt/ > > > .../devicetree/bindings/input/adc-keys.txt | 49 +++++ Acked-by: Rob Herring > drivers/input/keyboard/Kconfig | 15 ++ > drivers/input/keyboard/Makefile | 1 + > drivers/input/keyboard/adc-keys.c | 210 +++++++++++++++++++++ > 4 files changed, 275 insertions(+) > create mode 100644 Documentation/devicetree/bindings/input/adc-keys.txt > create mode 100644 drivers/input/keyboard/adc-keys.c