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c321a4d705
To provide multi-channel - more than 2 - capability to volume controls implement operations that honor the num_channels of a mixer control. As mc->num_channels can be 0 and is in fact the default behavior, the new functions decide between ALL_CHANNELS_MASK and individual channels based on the field value. To avoid hard-to-review delta when refactoring the code, first implement the new behavior with follow up changes cleaning things up. Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com> Link: https://patch.msgid.link/20250217102115.3539427-7-cezary.rojewski@intel.com Signed-off-by: Mark Brown <broonie@kernel.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 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.