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ec/lenovo/h8: Turn on PWR LED

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On warm reboot the PWR LED isn't automatically turned on by the EC.
Turn it on in the ramstage code, which allows to see when the reboot
has happened.

TEST=PWR LED is on after warm reboot on Lenovo X220.

Change-Id: Ia5fe3a52a6be622785c9588a94242ac0de0e19fa
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88998
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Patrick Rudolph 2025-08-29 17:56:45 +02:00 • committed by Angel Pons
commit f2d3051631
1 changed files with 6 additions and 0 deletions
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6
src/ec/lenovo/h8/h8.c
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@ -248,6 +248,12 @@ static void h8_enable(struct device *dev)
ec_write(H8_CONFIG2, conf->config2);
ec_write(H8_CONFIG3, conf->config3);
/*
* Reset LEDs to power on state.
* (Without this warm reboot leaves LEDs off)
*/
ec_write(H8_LED_CONTROL, H8_LED_CONTROL_ON | H8_LED_CONTROL_POWER_LED);
beepmask0 = conf->beepmask0;
beepmask1 = conf->beepmask1;