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authorEvgeny Sorokin <me@ch1p.io>2024-02-10 03:32:41 +0300
committerFelix Singer <service+coreboot-gerrit@felixsinger.de>2024-02-12 13:03:32 +0000
commitd48d72c9ceeccb56d89f13fa2f78d7c6b8666a0b (patch)
tree8f255ff32c22a294249dd0195f2cb8f1f01953b7 /src/vendorcode/wuffs
parent60a68295b817a40fd42af2f3c3de118bab97feee (diff)
ec/lenovo/h8/acpi: Support pulsing LEDLOGO on Haswell ThinkPads
The name LEDLOGO comes from schematics. It's the red indicator, embedded in the dot of the 'i' of the ThinkPad logo on laptop's lid. In vendor firmware, this led starts fading in-and-out, or, in other words, pulsing, when laptop is put to S3. It helps to determine whether the laptop is in S3 just by taking a look at the logo. As of now, coreboot doesn't do anything with this particular indicator, it's always in enabled (on) state, which is not very convenient. This patch fixes it. Tested on T440p. Change-Id: I85fb69c8c1bed8635a1b31e9b8385c7036bb46dd Signed-off-by: Evgeny Zinoviev <me@ch1p.io> Reviewed-on: https://review.coreboot.org/c/coreboot/+/80437 Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de> Reviewed-by: Nicholas Chin <nic.c3.14@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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