diff options
| author | Frank Chu <Frank_Chu@pegatron.corp-partner.google.com> | 2023-01-19 16:15:13 +0800 |
|---|---|---|
| committer | Martin L Roth <gaumless@gmail.com> | 2023-02-05 01:02:12 +0000 |
| commit | f4ac5ea179af244fcb839ce20d528153f0267917 (patch) | |
| tree | 549b01c6c946400f2f7930a760dc5f4a092d9e4b | |
| parent | 0dbc9174caf130c59a0fdeaeb7ee40b788acd48b (diff) | |
mb/google/brya/var/marasov: Turn off camera power during S0ix
Turn off camera power during S0ix to improve power consumption.
BUG=b:265754302
BRANCH=firmware-brya-14505.B
TEST=emerge-brya coreboot chromeos-bootimage
Signed-off-by: Frank Chu <Frank_Chu@pegatron.corp-partner.google.com>
Change-Id: Ie2b300783adfc1cab30bc897d086a3674436724a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72089
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frank Chu <frank_chu@pegatron.corp-partner.google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
3 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/marasov/Makefile.inc b/src/mainboard/google/brya/variants/marasov/Makefile.inc index 4d25f34ea1..70f64013b4 100644 --- a/src/mainboard/google/brya/variants/marasov/Makefile.inc +++ b/src/mainboard/google/brya/variants/marasov/Makefile.inc @@ -7,3 +7,5 @@ ramstage-$(CONFIG_FW_CONFIG) += fw_config.c romstage-y += memory.c ramstage-y += gpio.c + +ramstage-y += variant.c diff --git a/src/mainboard/google/brya/variants/marasov/include/variant/gpio.h b/src/mainboard/google/brya/variants/marasov/include/variant/gpio.h index c4fe342621..f62197dfe6 100644 --- a/src/mainboard/google/brya/variants/marasov/include/variant/gpio.h +++ b/src/mainboard/google/brya/variants/marasov/include/variant/gpio.h @@ -5,4 +5,6 @@ #include <baseboard/gpio.h> +#define CAM_PWR GPP_A17 + #endif diff --git a/src/mainboard/google/brya/variants/marasov/variant.c b/src/mainboard/google/brya/variants/marasov/variant.c new file mode 100644 index 0000000000..dad8a3c03b --- /dev/null +++ b/src/mainboard/google/brya/variants/marasov/variant.c @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include <acpi/acpigen.h> +#include <baseboard/variants.h> +#include <variant/gpio.h> + +void variant_generate_s0ix_hook(enum s0ix_entry entry) +{ + /* Add board-specific MS0X entries */ + if (entry == S0IX_ENTRY) + acpigen_soc_clear_tx_gpio(CAM_PWR); + if (entry == S0IX_EXIT) + acpigen_soc_set_tx_gpio(CAM_PWR); +} |