Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / codecs / es8328-spi.c

diff --git a/kernel/sound/soc/codecs/es8328-spi.c b/kernel/sound/soc/codecs/es8328-spi.c
new file mode 100644 (file)
index 0000000..8fbd935
--- /dev/null
+++ b/kernel/sound/soc/codecs/es8328-spi.c
@@ -0,0 +1,49 @@
+/*
+ * es8328.c  --  ES8328 ALSA SoC SPI Audio driver
+ *
+ * Copyright 2014 Sutajio Ko-Usagi PTE LTD
+ *
+ * Author: Sean Cross <xobs@kosagi.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+#include <sound/soc.h>
+#include "es8328.h"
+
+static const struct of_device_id es8328_of_match[] = {
+       { .compatible = "everest,es8328", },
+       { }
+};
+MODULE_DEVICE_TABLE(of, es8328_of_match);
+
+static int es8328_spi_probe(struct spi_device *spi)
+{
+       return es8328_probe(&spi->dev,
+                       devm_regmap_init_spi(spi, &es8328_regmap_config));
+}
+
+static int es8328_spi_remove(struct spi_device *spi)
+{
+       snd_soc_unregister_codec(&spi->dev);
+       return 0;
+}
+
+static struct spi_driver es8328_spi_driver = {
+       .driver = {
+               .name           = "es8328",
+               .of_match_table = es8328_of_match,
+       },
+       .probe  = es8328_spi_probe,
+       .remove = es8328_spi_remove,
+};
+
+module_spi_driver(es8328_spi_driver);
+MODULE_DESCRIPTION("ASoC ES8328 audio CODEC SPI driver");
+MODULE_AUTHOR("Sean Cross <xobs@kosagi.com>");
+MODULE_LICENSE("GPL");