1 files changed, 24 insertions, 0 deletions
diff --git a/src/mainboard/google/brox/variants/lotso/smihandler.c b/src/mainboard/google/brox/variants/lotso/smihandler.c
new file mode 100644
index 0000000000..ab8de8e4d2
--- /dev/null
+++ b/src/mainboard/google/brox/variants/lotso/smihandler.c
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi.h>
+#include <baseboard/variants.h>
+#include <delay.h>
+
+#include "gpio.h"
+
+#define TOUCH_RESET           GPP_F17
+#define TOUCH_ENABLE          GPP_F7
+
+
+#define GOODIX_RESET_OFF_DELAY  5
+
+void variant_smi_sleep(u8 slp_typ)
+{
+	if (slp_typ == ACPI_S5) {
+		/* TOUCHSCREEN_RST# */
+		gpio_set(TOUCH_RESET, 0);
+		mdelay(GOODIX_RESET_OFF_DELAY);
+		/* EN_PP3300_DX_TOUCHSCREEN */
+		gpio_set(TOUCH_ENABLE, 0);
+	}
+}