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-rw-r--r--src/mainboard/google/brya/variants/marasov/Makefile.inc2
-rw-r--r--src/mainboard/google/brya/variants/marasov/include/variant/gpio.h2
-rw-r--r--src/mainboard/google/brya/variants/marasov/variant.c14
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);
+}