diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2022-12-02 15:30:10 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2023-08-16 17:55:02 +0000 |
| commit | 027f86e6af023b338a0f1d8a999a8f33eeacb010 (patch) | |
| tree | 691450089ec0116cba1ec04b1b73ca3dea39aaf5 /src/include/acpi | |
| parent | 4a9de553c5307595f396b47aaa108bf1dc34638d (diff) | |
ACPI: Add usb_charge_mode_from_gnvs()
Early Chromebook generations stored the information about
USB port power control for S3/S5 sleepstates in GNVS, although
the configuration is static.
Reduce code duplication and react to ACPI S4 as if it was ACPI
S5 request.
Change-Id: I7e6f37a023b0e9317dcf0355dfa70e28d51cdad9
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74524
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Diffstat (limited to 'src/include/acpi')
| -rw-r--r-- | src/include/acpi/acpi_gnvs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/acpi/acpi_gnvs.h b/src/include/acpi/acpi_gnvs.h index ef6ec29c9e..fe6924f41b 100644 --- a/src/include/acpi/acpi_gnvs.h +++ b/src/include/acpi/acpi_gnvs.h @@ -18,6 +18,9 @@ static inline void *acpi_get_gnvs(void) { return NULL; } static inline int acpi_reset_gnvs_for_wake(struct global_nvs **gnvs) { return -1; } #endif +/* Return GNVS fields for USB0/1 disablement for S3/S4/S5 sleep states. */ +void usb_charge_mode_from_gnvs(uint8_t slp_typ, bool *usb0_disable, bool *usb1_disable); + /* * These functions populate the gnvs structure in acpi table. * Defined as weak in common acpi as gnvs structure definition is |