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authorHans de Goede <hdegoede@redhat.com>2015-10-15 02:44:35 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2015-10-15 03:15:04 +0300
commit6f29d3b2777ae32e995d45247c8234d83894b953 (patch)
treea5345bdaa6b06c655ff03d4118bd2538622a6bc0 /drivers/input/mouse/touchkit_ps2.c
parent881d824569aa2df75175aa882ada0c1e48212de3 (diff)
downloadlinux-6f29d3b2777ae32e995d45247c8234d83894b953.tar.xz
Input: gpio_keys_polled - add support for abs/rel axis
This changAdd support for EV_ABS / EV_REL events to the gpio-keys-polled driver. The driver already allows specifying what type of events (key / rel / abs) a button generates when pressed, but for rel / abs axis we also need to specify which value this specific gpio represents. One use case is digital joysticks / direction-pads which are hooked up to gpio, in this case we've left and right buttons which we want to map to EV_ABS, ABS_X and we want generate events for left with a value of -1 and for right with a value of +1 (and similar for up / down and ABS_Y). Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/mouse/touchkit_ps2.c')
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