[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/include/sound/hda_i915.h b/src/kernel/linux/v4.19/include/sound/hda_i915.h
new file mode 100644
index 0000000..6b79614
--- /dev/null
+++ b/src/kernel/linux/v4.19/include/sound/hda_i915.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * HD-Audio helpers to sync with i915 driver
+ */
+#ifndef __SOUND_HDA_I915_H
+#define __SOUND_HDA_I915_H
+
+#include "hda_component.h"
+
+#ifdef CONFIG_SND_HDA_I915
+void snd_hdac_i915_set_bclk(struct hdac_bus *bus);
+int snd_hdac_i915_init(struct hdac_bus *bus);
+#else
+static inline void snd_hdac_i915_set_bclk(struct hdac_bus *bus)
+{
+}
+static inline int snd_hdac_i915_init(struct hdac_bus *bus)
+{
+	return -ENODEV;
+}
+#endif
+static inline int snd_hdac_i915_exit(struct hdac_bus *bus)
+{
+	return snd_hdac_acomp_exit(bus);
+}
+
+#endif /* __SOUND_HDA_I915_H */