Re: [PATCH] input: matrix_keypad: add option to drive inactive columns
From: Dmitry Torokhov
Date: Wed Mar 29 2017 - 03:15:21 EST
On Tue, Mar 28, 2017 at 09:02:29PM -0500, Rob Herring wrote:
> On Wed, Mar 22, 2017 at 04:16:50PM -0400, David Rivshin wrote:
> > From: David Rivshin <DRivshin@xxxxxxxxxxx>
> >
> > The gpio-matrix-keypad driver normally sets inactive columns as inputs
> > while scanning. This does not work for all hardware, which may require
> > the inactive columns to be actively driven in order to overcome any
> > pull-ups/downs on the columns.
> >
> > Signed-off-by: David Rivshin <drivshin@xxxxxxxxxxx>
> > ---
> > .../devicetree/bindings/input/gpio-matrix-keypad.txt | 2 ++
> > drivers/input/keyboard/matrix_keypad.c | 13 +++++++++----
> > include/linux/input/matrix_keypad.h | 3 +++
> > 3 files changed, 14 insertions(+), 4 deletions(-)
>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
Applied, thank you.
--
Dmitry