diff options
Diffstat (limited to 'kernel/sound/soc/codecs/ad193x-i2c.c')
-rw-r--r-- | kernel/sound/soc/codecs/ad193x-i2c.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/kernel/sound/soc/codecs/ad193x-i2c.c b/kernel/sound/soc/codecs/ad193x-i2c.c new file mode 100644 index 000000000..df3a1a415 --- /dev/null +++ b/kernel/sound/soc/codecs/ad193x-i2c.c @@ -0,0 +1,54 @@ +/* + * AD1936/AD1937 audio driver + * + * Copyright 2014 Analog Devices Inc. + * + * Licensed under the GPL-2. + */ + +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/regmap.h> + +#include <sound/soc.h> + +#include "ad193x.h" + +static const struct i2c_device_id ad193x_id[] = { + { "ad1936", 0 }, + { "ad1937", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, ad193x_id); + +static int ad193x_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct regmap_config config; + + config = ad193x_regmap_config; + config.val_bits = 8; + config.reg_bits = 8; + + return ad193x_probe(&client->dev, devm_regmap_init_i2c(client, &config)); +} + +static int ad193x_i2c_remove(struct i2c_client *client) +{ + snd_soc_unregister_codec(&client->dev); + return 0; +} + +static struct i2c_driver ad193x_i2c_driver = { + .driver = { + .name = "ad193x", + }, + .probe = ad193x_i2c_probe, + .remove = ad193x_i2c_remove, + .id_table = ad193x_id, +}; +module_i2c_driver(ad193x_i2c_driver); + +MODULE_DESCRIPTION("ASoC AD1936/AD1937 audio CODEC driver"); +MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); +MODULE_LICENSE("GPL"); |