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19cf41b64e
It has been observed that with certain monitors such as the HP Z27n, the register 0x825e reads a value of 0x79 when the HDMI cable is connected and 0x78 when it is disconnected, i.e. bit 0 appears to correspond to the HDMI connection status and bit 2 is never set. Therefore, change the driver to check bit 0 instead of bit 2. Signed-off-by: Peter Collingbourne <pcc@google.com> Link: https://linux-review.googlesource.com/id/I7e76411127e1ce4988a3f6d0c8ba5f1c3d880c23 Reviewed-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20211117020724.2647769-1-pcc@google.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.