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118b4627d6
[why] Currently the assumption is that we are using a single eDP connector so there will only be one backlight object. Need changes to allow brightness update and reading for multiple eDP connectors. [how] - register a single device - turn backlight link from a pointer to an array of pointers - update brightness of all eDP links at the same time when request is registered - read brightness level only of the primary eDP panel - turn current_backlight_pwm and targer_backlight_pwm debugfs enteries into per connector enteries. Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> Acked-by: Wayne Lin <waynelin@amd.com> Tested-by: Daniel 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 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.