Messages in this thread | | | Date | Tue, 28 Mar 2017 21:02:29 -0500 | From | Rob Herring <> | Subject | Re: [PATCH] input: matrix_keypad: add option to drive inactive columns |
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On Wed, Mar 22, 2017 at 04:16:50PM -0400, David Rivshin wrote: > From: David Rivshin <DRivshin@allworx.com> > > 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@allworx.com> > --- > .../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@kernel.org>
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