在高通平台如何添加没有定义的按键

1.在对应的文件里添加设备树  如： kernel/msm-3.18/arch/arm/boot/dts/qcom/msm8953-nopmi-qrd.dtsi &soc { gpio_keys { compatible = "gpio-keys"; input-name = "gpio-keys"; pinctrl-names = "tlmm_gpio_key_active","tlmm_gpi

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