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Commit62d5ae4caf("ASoC: max98090: save and restore SHDN when changing sensitive registers SHDN bit") uses dapm_mutex to protect SHDN bit. However, snd_soc_dapm_put_enum_double() in max98090_dapm_put_enum_double() acquires the dapm_mutex again which cause a deadlock. Use snd_soc_dapm_put_enum_double_locked() instead to fix the deadlock. Fixes:62d5ae4caf("ASoC: max98090: save and restore SHDN when changing sensitive registers SHDN bit") Signed-off-by: Tzung-Bi Shih <tzungbi@google.com> Link: https://lore.kernel.org/r/20200117073814.82441-4-tzungbi@google.com Signed-off-by: Mark Brown <broonie@kernel.org>
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.