[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/soc/codecs/ad193x-spi.c b/src/kernel/linux/v4.14/sound/soc/codecs/ad193x-spi.c
new file mode 100644
index 0000000..23c2857
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/soc/codecs/ad193x-spi.c
@@ -0,0 +1,61 @@
+/*
+ * AD1938/AD1939 audio driver
+ *
+ * Copyright 2014 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2.
+ */
+
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+#include <linux/regmap.h>
+
+#include <sound/soc.h>
+
+#include "ad193x.h"
+
+static int ad193x_spi_probe(struct spi_device *spi)
+{
+ const struct spi_device_id *id = spi_get_device_id(spi);
+ struct regmap_config config;
+
+ config = ad193x_regmap_config;
+ config.val_bits = 8;
+ config.reg_bits = 16;
+ config.read_flag_mask = 0x09;
+ config.write_flag_mask = 0x08;
+
+ return ad193x_probe(&spi->dev, devm_regmap_init_spi(spi, &config),
+ (enum ad193x_type)id->driver_data);
+}
+
+static int ad193x_spi_remove(struct spi_device *spi)
+{
+ snd_soc_unregister_codec(&spi->dev);
+ return 0;
+}
+
+static const struct spi_device_id ad193x_spi_id[] = {
+ { "ad193x", AD193X },
+ { "ad1933", AD1933 },
+ { "ad1934", AD1934 },
+ { "ad1938", AD193X },
+ { "ad1939", AD193X },
+ { "adau1328", AD193X },
+ { }
+};
+MODULE_DEVICE_TABLE(spi, ad193x_spi_id);
+
+static struct spi_driver ad193x_spi_driver = {
+ .driver = {
+ .name = "ad193x",
+ },
+ .probe = ad193x_spi_probe,
+ .remove = ad193x_spi_remove,
+ .id_table = ad193x_spi_id,
+};
+module_spi_driver(ad193x_spi_driver);
+
+MODULE_DESCRIPTION("ASoC AD1938/AD1939 audio CODEC driver");
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_LICENSE("GPL");