SRF 1874 drivers/video/fbdev/cirrusfb.c unsigned char SRF = vga_rseq(regbase, CL_SEQRF); SRF 1875 drivers/video/fbdev/cirrusfb.c switch ((SRF & 0x18)) { SRF 1895 drivers/video/fbdev/cirrusfb.c if (cinfo->btype != BT_ALPINE && (SRF & 0x80) != 0)