acrn-kernel/Documentation/admin-guide/media/pulse8-cec.rst

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.. SPDX-License-Identifier: GPL-2.0
Pulse-Eight CEC Adapter driver
==============================
The pulse8-cec driver implements the following module option:
``persistent_config``
---------------------
By default this is off, but when set to 1 the driver will store the current
settings to the device's internal eeprom and restore it the next time the
device is connected to the USB port.