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[ Upstream commit302a085c20] Sometimes LED won't be turned off by LED_CORE_SUSPENDRESUME flag upon system suspend. led_set_brightness_nopm() uses schedule_work() to set LED brightness. However, there's no guarantee that the scheduled work gets executed because no one flushes the work. So flush the scheduled work to make sure LED gets turned off. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com> Fixes:81fe8e5b73("leds: core: Add led_set_brightness_nosleep{nopm} functions") Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Sasha Levin <sashal@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.