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2 commits

Author SHA1 Message Date
Simon Glass
71dc6bca4e input: Allow key ghosting filter to be disabled 
Some keyboards will not need a key ghosting filter, so make this feature
optional.

Signed-off-by: Simon Glass <sjg@chromium.org>
 2012-10-15 11:54:04 -07:00
Bernie Thompson
92c27c5193 input: Add support for keyboard matrix decoding from an fdt 
Matrix keyboards require a key map to be set up, and must also deal with
key ghosting.

Create a keyboard matrix management implementation which can be leveraged
by various keyboard drivers. This includes code to read the keymap from
the FDT and perform debouncing.

Signed-off-by: Bernie Thompson <bhthompson@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
 2012-05-15 08:31:39 +02:00