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f49d6487de
Pass the DRM connector name to any configured backlight
device so that userspace can associate the two items.
Ideally this should be in drm_panel, but it is bridge/panel
that creates the drm_connector and therefore knows the name.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
drm/bridge: panel: Ensure backlight is reachable
Ensure that the various options of modules vs builtin results
in being able to call into the backlight code.
https://github.com/raspberrypi/linux/issues/6198
Fixes: 573f8fd0ab ("drm/bridge: panel: Name an associated backlight device")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.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.
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