all_null          258 drivers/video/fbdev/core/fbmon.c 	unsigned char csum = 0, all_null = 0;
all_null          266 drivers/video/fbdev/core/fbmon.c 		all_null |= edid[i];
all_null          269 drivers/video/fbdev/core/fbmon.c 	if (csum == 0x00 && all_null) {