[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/iio/accel/kxsd9.h b/src/kernel/linux/v4.19/drivers/iio/accel/kxsd9.h
new file mode 100644
index 0000000..5e3ca21
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/iio/accel/kxsd9.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/device.h>
+#include <linux/kernel.h>
+
+#define KXSD9_STATE_RX_SIZE 2
+#define KXSD9_STATE_TX_SIZE 2
+
+int kxsd9_common_probe(struct device *dev,
+		       struct regmap *map,
+		       const char *name);
+int kxsd9_common_remove(struct device *dev);
+
+extern const struct dev_pm_ops kxsd9_dev_pm_ops;