TEA5764_TNCTRL_PUPD0
if (!(r->tnctrl & TEA5764_TNCTRL_PUPD0)) {
r->tnctrl |= TEA5764_TNCTRL_PUPD0;
if (r->tnctrl & TEA5764_TNCTRL_PUPD0) {
r->tnctrl &= ~TEA5764_TNCTRL_PUPD0;
if (r->tnctrl & TEA5764_TNCTRL_PUPD0)