Peichao Wang has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/47308 )
Change subject: mb/google/zork: Init fingerprint GPIOs for boot vs resume ......................................................................
Patch Set 4:
(1 comment)
https://review.coreboot.org/c/coreboot/+/47308/4/src/mainboard/google/zork/v... File src/mainboard/google/zork/variants/baseboard/gpio_baseboard_trembyle.c:
https://review.coreboot.org/c/coreboot/+/47308/4/src/mainboard/google/zork/v... PS4, Line 300: gpio_fingerprint_poweron_table
From this change, it looks like the fingerprint power is kept off and reset is asserted on boot-up. […]
Dear Furquan,
As far as I know, power_en and RST pin need keep low when boot from S5 and S3 respectively, like ticket: https://partnerissuetracker.corp.google.com/issues/171004327#comment24