config MTK_LCM bool "Enable LCM driver" default n help define LCM driver config to enable LCM driver. To set LCM driver which you choose avoid cannot driver LCM. Please make sure CONFIG_MTK_LCM in xxxxxx_defconfig.mk. And also make sure true on in ProjectConfig.mk config CUSTOM_KERNEL_LCM string "define mediatek kernel LCM driver" help To choose kernel LCM driver name. This config is to select which LCM driver you want to use. Please make sure CUSTOME_KERNEL_LCM in xxxxx_defconfig.mk. And also make sure turn on in ProjectConfig.mk config MTK_LCM_DEVICE_TREE_SUPPORT bool "support LCM device tree connect with display drivers" help Decide whether to support LCM device tree based configuration. This feature requires the connection between display driver and LCM devices. Please also turn on MTK_LCM_DEVICE_TREE_SUPPORT in ProjectConfig.mk. If not define MTK_LCM_DEVICE_TREE_SUPPORT there will not connect between display driver and LCM devices. source "drivers/misc/mediatek/lcm/smcdsd_panel/Kconfig"