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authorSean Cross <xobs@kosagi.com>2014-07-31 06:43:36 +0400
committerMark Brown <broonie@linaro.org>2014-08-17 02:17:13 +0400
commit567e4f98922ce5542f8c2aa469a0c6ddf182b6ea (patch)
treebd2eb1ea42d43c17654422256aa1092e3262e336 /sound/soc/codecs/es8328-spi.c
parentd4f7facde1796c8b3eb2f79e1fd903d7b776972f (diff)
downloadlinux-567e4f98922ce5542f8c2aa469a0c6ddf182b6ea.tar.xz
ASoC: add es8328 codec driver
Add a codec driver for the Everest ES8328. It supports two separate audio outputs and two separate audio inputs. Signed-off-by: Sean Cross <xobs@kosagi.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/codecs/es8328-spi.c')
-rw-r--r--sound/soc/codecs/es8328-spi.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/sound/soc/codecs/es8328-spi.c b/sound/soc/codecs/es8328-spi.c
new file mode 100644
index 000000000000..8fbd935e1c76
--- /dev/null
+++ b/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");