[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/macintosh/via-pmu-event.h b/src/kernel/linux/v4.19/drivers/macintosh/via-pmu-event.h
new file mode 100644
index 0000000..5e52109
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/macintosh/via-pmu-event.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __VIA_PMU_EVENT_H
+#define __VIA_PMU_EVENT_H
+
+#define PMU_EVT_POWER	0
+#define PMU_EVT_LID	1
+extern void via_pmu_event(int key, int down);
+
+#endif /* __VIA_PMU_EVENT_H */