MASK_13
saa7146_write(dev, MC1, (MASK_13 | MASK_29));
saa7146_write(dev, MC1, (MASK_13 | MASK_29));
saa7146_write(dev, MC1, (MASK_13 | MASK_29));
saa7146_write(dev, MC1, (MASK_13 | MASK_29));
#define CMD_E_FID_B MASK_13