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Mode switches sent before control response are ignored. This results in an unresponsive trackpad and "bcm5974: bad trackpad package, length: 8" repeated in logs. On receiving unknown 8-byte packets, assume that mode switch was ignored and schedule an asynchronous mode reset. The reset will switch the device to normal mode, wait, then switch back to wellspring mode. Signed-off-by: Liam Mitchell <mitchell.liam@gmail.com> Link: https://lore.kernel.org/linux-input/CAOQ1CL4+DP1TuLAGNsz5GdFBTHvnTg=5q=Dr2Z1OQc6RXydSYA@mail.gmail.com/ Acked-by: Henrik Rydberg <rydberg@bitmath.org> Link: https://patch.msgid.link/20260213-bcm5974-reset-v2-1-1837851336b0@gmail.com Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.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.