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Author SHA1 Message Date
Paul Kocialkowski
a4c8bbbc28 input: twl4030: Keypad scan and input 
This allows scanning the twl4030 keypad, storing the result in a 64-byte long
matrix with the twl4030_keypad_scan function.

Detecting a key at a given column and row is made easier with the
twl4030_keypad_key function.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Reviewed-by: Tom Rini <trini@konsulko.com>
 2015-08-12 20:47:36 -04:00
Paul Kocialkowski
7d5ac91832 input: TWL4030 input support for power button, USB and charger 
This adds support for detecting a few inputs exported by the TWL4030.
Currently-supported inputs are the power button, USB and charger presence.
Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
 2015-08-12 20:47:35 -04:00