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ASoC: cs4271: Split SPI and I2C code into different modules

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Currently the cs4271 driver depends on SND_SOC_I2C_AND_SPI.
So the driver cannot be built as built-in if CONFIG_I2C=m.
Split SPI and I2C code into different modules to avoid this issue.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Axel Lin
2014-10-06 23:09:47 +08:00
committed by Mark Brown
parent f114040e3e
commit c973b8a7dc
7 changed files with 168 additions and 142 deletions
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55
sound/soc/codecs/cs4271-spi.c Normal file
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/*
* CS4271 SPI audio driver
*
* Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru>
*
* 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/spi/spi.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include "cs4271.h"
static int cs4271_spi_probe(struct spi_device *spi)
{
struct regmap_config config;
config = cs4271_regmap_config;
config.reg_bits = 16;
config.val_bits = 8;
config.read_flag_mask = 0x21;
config.write_flag_mask = 0x20;
return cs4271_probe(&spi->dev, devm_regmap_init_spi(spi, &config));
}
static int cs4271_spi_remove(struct spi_device *spi)
{
snd_soc_unregister_codec(&spi->dev);
return 0;
}
static struct spi_driver cs4271_spi_driver = {
.driver = {
.name = "cs4271",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(cs4271_dt_ids),
},
.probe = cs4271_spi_probe,
.remove = cs4271_spi_remove,
};
module_spi_driver(cs4271_spi_driver);
MODULE_DESCRIPTION("ASoC CS4271 SPI Driver");
MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>");
MODULE_LICENSE("GPL");