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The I2C to the Atmel is very fussy, and locks up easily on Pi0-3 particularly on reads. The LCD power status is controlled solely by this driver, so rather than reading it back from the Atmel, use the cached status last set. Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> regulator/rpi-panel: Power off display on shutdown Adds a shutdown function to turn off the backlight, bridge, and touch controller on shutdown. Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> regulator/rpi-panel: Remove the ID read Reading from the Atmel has always been troublesome due to clock stretching, and the driver does nothing with it anyway. Remove the read and assume that if the overlay has been configured (most likely through the firmware autodetection) that the hardware is present. 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.
Build status for rpi-6.1.y:
Build status for rpi-6.6.y:
Build status for rpi-6.12.y:
