:orphan:

.. title:: CONFIG_BT_AUTO_DATA_LEN_UPDATE

.. kconfig:: CONFIG_BT_AUTO_DATA_LEN_UPDATE

CONFIG_BT_AUTO_DATA_LEN_UPDATE
##############################

*Auto-initiate Data Length Update procedure*

Type: ``bool``

Help
====

.. code-block:: none

    Initiate Data Length Update Procedure on connection establishment.

    Disable this if you want the Data Length Update Procedure feature
    supported but want to rely on the remote device to initiate the
    procedure at its discretion or want to initiate manually.

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

\ :kconfig:`BT_DATA_LEN_UPDATE <CONFIG_BT_DATA_LEN_UPDATE>` && \ :kconfig:`BT_CONN <CONFIG_BT_CONN>` && \ :kconfig:`BT_HCI_HOST <CONFIG_BT_HCI_HOST>` && \ :kconfig:`BT_HCI <CONFIG_BT_HCI>` && \ :kconfig:`BT <CONFIG_BT>`

*(Includes any dependencies from ifs and menus.)*

Default
=======

- y if !\ :kconfig:`BT_USER_DATA_LEN_UPDATE <CONFIG_BT_USER_DATA_LEN_UPDATE>`

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



At ``<Subsystem>/bluetooth/host/Kconfig:234``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:44`` → ``<Subsystem>/Kconfig:9`` → ``<Subsystem>/bluetooth/Kconfig:180``

Menu path: (Top) → Sub Systems and OS Services → Bluetooth

.. code-block:: kconfig

    config BT_AUTO_DATA_LEN_UPDATE
    	bool "Auto-initiate Data Length Update procedure"
    	default y if !BT_USER_DATA_LEN_UPDATE
    	depends on BT_DATA_LEN_UPDATE && BT_CONN && BT_HCI_HOST && BT_HCI && BT
    	help
    	  Initiate Data Length Update Procedure on connection establishment.
	  
    	  Disable this if you want the Data Length Update Procedure feature
    	  supported but want to rely on the remote device to initiate the
    	  procedure at its discretion or want to initiate manually.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*