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2015-12-13Input: sun4i-lradc-keys - fix typo in binding documentationKarsten Merker1-1/+1
Trivial typo fix ("mut" -> "must") in the sunxi LRADC-keys binding documentation. Signed-off-by: Karsten Merker <merker@debian.org> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-12-22Input: add new sun4i-lradc-keys driverHans de Goede1-0/+62
Allwinnner sunxi SoCs have a low resolution adc (called lradc) which is specifically designed to have various (tablet) keys (ie home, back, search, etc). attached to it using a resistor network. This adds a driver for this. There are 2 channels, currently this driver only supports chan0 since there are no boards known to use chan1. This has been tested on an olimex a10s-olinuxino-micro, a13-olinuxino, and a20-olinuxino-micro. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>