:orphan:

.. title:: BT_AUTO_DATA_LEN_UPDATE

.. option:: CONFIG_BT_AUTO_DATA_LEN_UPDATE

*Auto-initiate Data Length Update procedure*

Type: ``bool``

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.

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

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

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

Default
=======

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

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

.. highlight:: kconfig

At ``subsys/bluetooth/host/Kconfig:298``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``subsys/Kconfig:9`` → ``subsys/bluetooth/Kconfig:239``

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

.. parsed-literal::

    config BT_AUTO_DATA_LEN_UPDATE
    	bool "Auto-initiate Data Length Update procedure"
    	default y if !\ :option:`BT_USER_DATA_LEN_UPDATE <CONFIG_BT_USER_DATA_LEN_UPDATE>`
    	depends on \ :option:`BT_DATA_LEN_UPDATE <CONFIG_BT_DATA_LEN_UPDATE>` && \ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_HCI_HOST <CONFIG_BT_HCI_HOST>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_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.)*