KEY_VIDEO_PREV    326 include/dt-bindings/input/linux-event-codes.h #define KEY_VIDEO_PREV		242	/* drive previous video source */
KEY_VIDEO_PREV    326 include/uapi/linux/input-event-codes.h #define KEY_VIDEO_PREV		242	/* drive previous video source */
KEY_VIDEO_PREV    326 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define KEY_VIDEO_PREV		242	/* drive previous video source */