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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /sound/soc/codecs/tlv320aic23-i2c.c
Initial import
Diffstat (limited to 'sound/soc/codecs/tlv320aic23-i2c.c')
-rw-r--r--sound/soc/codecs/tlv320aic23-i2c.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/sound/soc/codecs/tlv320aic23-i2c.c b/sound/soc/codecs/tlv320aic23-i2c.c
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+++ b/sound/soc/codecs/tlv320aic23-i2c.c
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+/*
+ * ALSA SoC TLV320AIC23 codec driver I2C interface
+ *
+ * Author: Arun KS, <arunks@mistralsolutions.com>
+ * Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
+ *
+ * Based on sound/soc/codecs/wm8731.c by Richard Purdie
+ *
+ * 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/i2c.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+#include <sound/soc.h>
+
+#include "tlv320aic23.h"
+
+static int tlv320aic23_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *i2c_id)
+{
+ struct regmap *regmap;
+
+ if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -EINVAL;
+
+ regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap);
+ return tlv320aic23_probe(&i2c->dev, regmap);
+}
+
+static int tlv320aic23_i2c_remove(struct i2c_client *i2c)
+{
+ snd_soc_unregister_codec(&i2c->dev);
+ return 0;
+}
+
+static const struct i2c_device_id tlv320aic23_id[] = {
+ {"tlv320aic23", 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
+
+static const struct of_device_id tlv320aic23_of_match[] = {
+ { .compatible = "ti,tlv320aic23", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, tlv320aic23_of_match);
+
+static struct i2c_driver tlv320aic23_i2c_driver = {
+ .driver = {
+ .name = "tlv320aic23-codec",
+ .of_match_table = of_match_ptr(tlv320aic23_of_match),
+ },
+ .probe = tlv320aic23_i2c_probe,
+ .remove = tlv320aic23_i2c_remove,
+ .id_table = tlv320aic23_id,
+};
+
+module_i2c_driver(tlv320aic23_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C");
+MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
+MODULE_LICENSE("GPL");