xsf               330 drivers/media/pci/bt8xx/bttv-risc.c 	u32 xsf, sr;
xsf               345 drivers/media/pci/bt8xx/bttv-risc.c 	xsf = (width*scaledtwidth)/swidth;
xsf               346 drivers/media/pci/bt8xx/bttv-risc.c 	geo->hscale =  ((totalwidth*4096UL)/xsf-4096);