Linux-libre 4.6.2-gnu

1 files changed, 72 insertions, 0 deletions

diff --git a/sound/soc/codecs/pcm179x-spi.c b/sound/soc/codecs/pcm179x-spi.c
new file mode 100644
index 000000000..da924d444
--- /dev/null
+++ b/sound/soc/codecs/pcm179x-spi.c
@@ -0,0 +1,72 @@
+/*
+ * PCM179X ASoC SPI driver
+ *
+ * Copyright (c) Amarula Solutions B.V. 2013
+ *
+ *     Michael Trimarchi <michael@amarulasolutions.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/spi/spi.h>
+#include <linux/regmap.h>
+
+#include "pcm179x.h"
+
+static int pcm179x_spi_probe(struct spi_device *spi)
+{
+	struct regmap *regmap;
+	int ret;
+
+	regmap = devm_regmap_init_spi(spi, &pcm179x_regmap_config);
+	if (IS_ERR(regmap)) {
+		ret = PTR_ERR(regmap);
+		dev_err(&spi->dev, "Failed to allocate regmap: %d\n", ret);
+		return ret;
+	}
+
+	return pcm179x_common_init(&spi->dev, regmap);
+}
+
+static int pcm179x_spi_remove(struct spi_device *spi)
+{
+	return pcm179x_common_exit(&spi->dev);
+}
+
+static const struct of_device_id pcm179x_of_match[] = {
+	{ .compatible = "ti,pcm1792a", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, pcm179x_of_match);
+
+static const struct spi_device_id pcm179x_spi_ids[] = {
+	{ "pcm179x", 0 },
+	{ },
+};
+MODULE_DEVICE_TABLE(spi, pcm179x_spi_ids);
+
+static struct spi_driver pcm179x_spi_driver = {
+	.driver = {
+		.name = "pcm179x",
+		.of_match_table = of_match_ptr(pcm179x_of_match),
+	},
+	.id_table = pcm179x_spi_ids,
+	.probe = pcm179x_spi_probe,
+	.remove = pcm179x_spi_remove,
+};
+
+module_spi_driver(pcm179x_spi_driver);
+
+MODULE_DESCRIPTION("ASoC PCM179X SPI driver");
+MODULE_AUTHOR("Michael Trimarchi <michael@amarulasolutions.com>");
+MODULE_LICENSE("GPL");