- adc-keys {
- compatible = "adc-keys";
- io-channels = <&saradc 1>;
- io-channel-names = "buttons";
- poll-interval = <100>;
- keyup-threshold-microvolt = <1800000>;
-
- button-up {
- label = "Volume Up";
- linux,code = <KEY_VOLUMEUP>;
- press-threshold-microvolt = <100000>;
- };
-
- button-down {
- label = "Volume Down";
- linux,code = <KEY_VOLUMEDOWN>;
- press-threshold-microvolt = <300000>;
- };
-
- back {
- label = "Back";
- linux,code = <KEY_BACK>;
- press-threshold-microvolt = <985000>;
- };
-
- menu {
- label = "Menu";
- linux,code = <KEY_MENU>;
- press-threshold-microvolt = <1314000>;
- };
- };
-