Micha? K?pie?
a608a9d52f
platform/x86: fujitsu-laptop: use brightness_set_blocking for LED-setting callbacks
...
All LED-setting functions in fujitsu-laptop are currently assigned to
the brightness_set callback, which is incorrect because they can sleep
(due to their use of call_fext_func(), which in turn issues ACPI calls)
and the documentation (in include/linux/leds.h) clearly states they must
not. Assign them to brightness_set_blocking instead and change them to
match the expected function prototype.
This change makes it possible to use Fujitsu-specific LEDs with "heavy"
triggers, like disk-activity or phy0rx.
Fixes: 3a40708609 ("fujitsu-laptop: Add BL power, LED control and radio state information")
Fixes: 4f62568c1f ("fujitsu-laptop: Support radio LED")
Fixes: d6b88f64b0 ("fujitsu-laptop: Add support for eco LED")
Signed-off-by: Michał Kępień <kernel@kempniu.pl >
Acked-by: Jonathan Woithe <jwoithe@just42.net >
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com >
2016-12-28 12:38:10 +02:00
..
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