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Some SAR sources, e.g. ACPI, may allow different SAR configs by antenna. Previously, the minimum config between antennas was taken. Because there are differences between HW design, different chips might have different solutions to achieve this. So, it cannot be done through a single common handling. Now, add the relevant skeleton for this purpose ahead. First, add a flag into chip info to describe whether it has implemented this function or not. Second, support to query SAR config for a given RF path. With it, each chip can implement its own handling. Then, if a chip declares to support this function, when it queries SAR config without a given RF path, it gets a maximum config between antennas. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Link: https://patch.msgid.link/20250326020643.14487-10-pkshih@realtek.com
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 reStructuredText 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.