Arnav Rawat 269928e5c7 platform/x86: ideapad-laptop: Fix interrupt storm on fn-lock toggle on some Yoga laptops
[ Upstream commit 81a5603a0f50fd7cf17ff21d106052215eaf2028 ]

Commit 3ae86d2d4704 ("platform/x86: ideapad-laptop: Fix Legion 5 Fn lock
LED") uses the WMI event-id for the fn-lock event on some Legion 5 laptops
to manually toggle the fn-lock LED because the EC does not do it itself.
However, the same WMI ID is also sent on some Yoga laptops. Here, setting
the fn-lock state is not valid behavior, and causes the EC to spam
interrupts until the laptop is rebooted.

Add a set_fn_lock_led_list[] DMI-id list and only enable the workaround to
manually set the LED on models on this list.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=212671
Cc: Meng Dong <whenov@gmail.com>
Signed-off-by: Arnav Rawat <arnavr3@illinois.edu>
Link: https://lore.kernel.org/r/12093851.O9o76ZdvQC@fedora
[hdegoede@redhat.com: Check DMI-id list only once and store the result]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-02 17:41:11 +01:00
2021-10-18 20:22:03 -10:00
2022-11-26 09:24:52 +01:00

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