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authorNicolas Bellido <ml@acolin.be>2006-11-24 00:42:50 -0500
committerDmitry Torokhov <dtor@insightbb.com>2006-11-24 00:42:50 -0500
commitf9705fcb9887fcff364a0c8dffbac693aa221d4f (patch)
tree5126de9a40199f1c6b3c7797109b83f577f30d33 /Documentation/DocBook
parent153a9df01c0d1ecdc56161c7a0f830325145dd64 (diff)
Input: add driver for keyboard on AAED-2000 development board (ARM)
The keyboard is connected via GPIOs to the processor, and scanned using a column sample register. The hardware provides no debouncing mechanism, so the state of the keys is read KBDSCAN_STABLE_COUNT times before being reported to the input layer. The status of the keys needs to be polled because there is no interrupt hooked to the lines. A workqueue is used for this. Signed-off-by: Nicolas Bellido Y Ortega <ml@acolin.be> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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