tree 63d20ab9909b33b5fbfc488f9aa38f0b7023ef9f
parent 511222c187e86175bf9832a62619a05d1900c1fb
author Jing Tong <tongjian@huaqin.corp-partner.google.com> 1718951853 +0800
committer Felix Held <felix-coreboot@felixheld.de> 1719496993 +0000

mb/google/brox/var/lotso: GPP_B14 used for buzzer

ALC257 does not supoort built-in digtal buzzer, So use external pwm
to PCBEEP for beep sound.

BUG=b:346956771
BRANCH=None
TEST=emerge-brox coreboot sys-boot/chromeos-bootimage

firmware-shell: devbeep -> can output beep normally.

Change-Id: If924f9f27f229420e78015f418a97b2d5daf62e5
Signed-off-by: Jing Tong <tongjian@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83147
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Wentao Qin <qinwentao@huaqin.corp-partner.google.com>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>