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68f3c044f3
[Why] There is a `scale` sysfs attribute that can be used to indicate when non-linear brightness scaling is in use. As Custom brightness curves work by linear interpolation of points the scale is no longer linear. [How] Indicate non-linear scaling when custom brightness curves in use and linear scaling otherwise. Reviewed-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Mario Limonciello <superm1@kernel.org> Signed-off-by: Wayne Lin <wayne.lin@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.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.