As well as identifying accessories the accessory detection hardware on
Arizona class devices can also detect a number of buttons which we should
report via the input API.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>