mfb_chroma_key   1271 drivers/video/fbdev/fsl-diu-fb.c 	struct mfb_chroma_key ck;
mfb_chroma_key     35 include/linux/fsl-diu-fb.h #define MFB_SET_CHROMA_KEY	_IOW('M', 1, struct mfb_chroma_key)