err = 0;  if (blank) { 
if (blank == FB_BLANK_POWERDOWN) { 
static int vesafb_blank(int blank, struct fb_info *info){	int err = 1;	if (vga_compat) {		int loop = 10000;		u8 seq = 0, crtc17 = 0;		err = 0;		if (blank) {			seq = 0x20;			crtc17 = 0x00;		} else {			seq = 0x00;			crtc17 = 0x80;		}		vga_wseq(NULL, 0x00, 0x01);		seq |= vga_rseq(NULL, 0x01) & ~0x20;		vga_wseq(NULL, 0x00, seq);		crtc17 |= vga_rcrt(NULL, 0x17) & ~0x80;		while (loop--);		vga_wcrt(NULL, 0x17, crtc17);		vga_wseq(NULL, 0x00, 0x03);	}	return err;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/bb7e257ef8d8ba43cab356aa1cc1b20d0106d45f/vesafb.c/buggy/drivers/video/vesafb.c