:orphan:

.. title:: BT_CTLR_GPIO_LNA

.. option:: CONFIG_BT_CTLR_GPIO_LNA

*Low Noise Amplifier GPIO interface*

Type: ``bool``

Help
====

Enable GPIO interface to a Low Noise Amplifier. This allows hardware
designs using LNAs to let the Controller toggle their state based on
radio activity.

Direct dependencies
===================

!\ :option:`SOC_SERIES_NRF51X <CONFIG_SOC_SERIES_NRF51X>` && \ :option:`BT_CTLR <CONFIG_BT_CTLR>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`

*(Includes any dependencies from if's and menus.)*

Defaults
========

No defaults. Implicitly defaults to ``n``.

Kconfig definition
==================

.. highlight:: kconfig

At ``subsys/bluetooth/controller/Kconfig:641``

Included via ``Kconfig:10`` → ``Kconfig.zephyr:39`` → ``subsys/Kconfig:8`` → ``subsys/bluetooth/Kconfig:145``

Menu path: (top menu) → Bluetooth → Bluetooth support → Bluetooth Controller

.. parsed-literal::

    menuconfig BT_CTLR_GPIO_LNA
    	bool
    	prompt "Low Noise Amplifier GPIO interface" if !\ :option:`SOC_SERIES_NRF51X <CONFIG_SOC_SERIES_NRF51X>` && \ :option:`BT_CTLR <CONFIG_BT_CTLR>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	depends on !\ :option:`SOC_SERIES_NRF51X <CONFIG_SOC_SERIES_NRF51X>` && \ :option:`BT_CTLR <CONFIG_BT_CTLR>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	help
    	  Enable GPIO interface to a Low Noise Amplifier. This allows hardware
    	  designs using LNAs to let the Controller toggle their state based on
    	  radio activity.

*(Definitions include propagated dependencies, including from if's and menus.)*