542 	const size_t channel_id = signal->id - 16;  in quad8_index_polarity_get()  local
544 	*index_polarity = priv->index_polarity[channel_id];  in quad8_index_polarity_get()
554 	const size_t channel_id = signal->id - 16;  in quad8_index_polarity_set()  local
555 	u8 __iomem *const control = &priv->reg->channel[channel_id].control;  in quad8_index_polarity_set()
561 	idr_cfg |= priv->synchronous_mode[channel_id];  in quad8_index_polarity_set()
563 	priv->index_polarity[channel_id] = index_polarity;  in quad8_index_polarity_set()
609 	const size_t channel_id = signal->id - 16;  in quad8_synchronous_mode_get()  local
611 	*synchronous_mode = priv->synchronous_mode[channel_id];  in quad8_synchronous_mode_get()
621 	const size_t channel_id = signal->id - 16;  in quad8_synchronous_mode_set()  local
622 	u8 __iomem *const control = &priv->reg->channel[channel_id].control;  in quad8_synchronous_mode_set()
628 	idr_cfg |= priv->index_polarity[channel_id] << 1;  in quad8_synchronous_mode_set()
631 	if (synchronous_mode && !priv->quadrature_mode[channel_id]) {  in quad8_synchronous_mode_set()
636 	priv->synchronous_mode[channel_id] = synchronous_mode;  in quad8_synchronous_mode_set()
916 	const size_t channel_id = signal->id / 2;  in quad8_signal_cable_fault_read()  local
923 	disabled = !(priv->cable_fault_enable & BIT(channel_id));  in quad8_signal_cable_fault_read()
936 	*cable_fault = !(status & BIT(channel_id));  in quad8_signal_cable_fault_read()
946 	const size_t channel_id = signal->id / 2;  in quad8_signal_cable_fault_enable_read()  local
948 	*enable = !!(priv->cable_fault_enable & BIT(channel_id));  in quad8_signal_cable_fault_enable_read()
958 	const size_t channel_id = signal->id / 2;  in quad8_signal_cable_fault_enable_write()  local
965 		priv->cable_fault_enable |= BIT(channel_id);  in quad8_signal_cable_fault_enable_write()
967 		priv->cable_fault_enable &= ~BIT(channel_id);  in quad8_signal_cable_fault_enable_write()
995 	const size_t channel_id = signal->id / 2;  in quad8_signal_fck_prescaler_write()  local
996 	struct channel_reg __iomem *const chan = priv->reg->channel + channel_id;  in quad8_signal_fck_prescaler_write()
1001 	priv->fck_prescaler[channel_id] = prescaler;  in quad8_signal_fck_prescaler_write()