state->inversion = inversion;  val = &state->tx_tuna[0];  val[8] &= ~0x80;  switch (inversion) { case INVERSION_OFF: break; case INVERSION_ON: val[8] |= 0x80; break; default: return -EINVAL;
case INVERSION_ON: state->tx_tuna[8] |= 0x80; break; default: return -EINVAL;
static int dst_set_inversion(struct dst_state* state, fe_spectral_inversion_t inversion){	u8 *val;	state->inversion = inversion;	val = &state->tx_tuna[0];	val[8] &= ~0x80;	switch (inversion) {	case INVERSION_OFF:		break;	case INVERSION_ON:		val[8] |= 0x80;		break;	default:		return -EINVAL;	}	return 0;}