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
> >
> > The gpio-matrix-keypad driver normally sets inactive columns as inputs
> > while scanning. This does not work for all hardware, which may r
On Wed, Mar 22, 2017 at 04:16:50PM -0400, David Rivshin wrote:
> From: David Rivshin
>
> 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 overcom
From: David Rivshin
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
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