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To reduce power consumption enable 802.11 power save mode in station mode. This allows both radio and CPU to sleep more. Only enable the mode on QCA6390 and WCN6855, it's unknown how other hardware families support this feature. To test that power save mode is running run "iw dev wls1 set power_save off", check there is no NULL Data frame seen by a sniffer. And run "iw dev wls1 set power_save on" and check there is a NULL Data frame in sniffer. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by: Carl Huang <cjhuang@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20211108123826.8463-2-kvalo@codeaurora.org
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.