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* input: Allow key ghosting filter to be disabledSimon Glass2012-10-151-1/+4
| | | | | | | Some keyboards will not need a key ghosting filter, so make this feature optional. Signed-off-by: Simon Glass <sjg@chromium.org>
* input: Add support for keyboard matrix decoding from an fdtBernie Thompson2012-05-151-0/+99
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>
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