KEY_CHANNELUP 474 include/dt-bindings/input/linux-event-codes.h #define KEY_CHANNELUP 0x192 /* Channel Increment */ KEY_CHANNELUP 474 include/uapi/linux/input-event-codes.h #define KEY_CHANNELUP 0x192 /* Channel Increment */ KEY_CHANNELUP 474 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define KEY_CHANNELUP 0x192 /* Channel Increment */