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36d586c057
Qualcomm WCD9390/WCD9395 is a standalone Hi-Fi audio codec IC with a functionally separate USB SubSystem for Altmode/Analog Audio Switch accessible over an I2C interface. It provides switching USB-C USB2.0 lines between USB and Audio Headphones speaker lines, and the USB-C SBU lines between DisplayPort AUX and Audio Headphones Microphone/Ground. The Audio Headphone and Microphone data path between the Codec and the USB-C Mux subsystems are external to the IC, thus requiring DT port-endpoint graph description to handle USB-C altmode & orientation switching for Audio Accessory Mode. Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20231212-topic-sm8650-upstream-wcd939x-usbss-v2-2-38961fea5867@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| README | ||
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.