forked from luck/tmp_suning_uos_patched
1b347b6891
The pcm179x family supports both SPI and I2C for configuration. This patch splits the driver into core and SPI parts, in preparation for I2C support. Signed-off-by: Jacob Siverskog <jacob@teenage.engineering> Reviewed-by: Johan Hovold <johan@kernel.org> Acked-by: Michael Trimarchi <michael@amarulasolutions.com> Signed-off-by: Mark Brown <broonie@kernel.org>
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
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* PCM179X ASoC SPI driver
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*
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* Copyright (c) Amarula Solutions B.V. 2013
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*
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* Michael Trimarchi <michael@amarulasolutions.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/spi/spi.h>
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#include <linux/regmap.h>
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#include "pcm179x.h"
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static int pcm179x_spi_probe(struct spi_device *spi)
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{
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struct regmap *regmap;
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int ret;
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regmap = devm_regmap_init_spi(spi, &pcm179x_regmap_config);
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if (IS_ERR(regmap)) {
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ret = PTR_ERR(regmap);
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dev_err(&spi->dev, "Failed to allocate regmap: %d\n", ret);
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return ret;
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}
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return pcm179x_common_init(&spi->dev, regmap);
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}
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static int pcm179x_spi_remove(struct spi_device *spi)
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{
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return pcm179x_common_exit(&spi->dev);
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}
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static const struct of_device_id pcm179x_of_match[] = {
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{ .compatible = "ti,pcm1792a", },
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{ }
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};
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MODULE_DEVICE_TABLE(of, pcm179x_of_match);
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static const struct spi_device_id pcm179x_spi_ids[] = {
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{ "pcm179x", 0 },
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{ },
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};
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MODULE_DEVICE_TABLE(spi, pcm179x_spi_ids);
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static struct spi_driver pcm179x_spi_driver = {
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.driver = {
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.name = "pcm179x",
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.of_match_table = of_match_ptr(pcm179x_of_match),
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},
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.id_table = pcm179x_spi_ids,
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.probe = pcm179x_spi_probe,
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.remove = pcm179x_spi_remove,
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};
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module_spi_driver(pcm179x_spi_driver);
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MODULE_DESCRIPTION("ASoC PCM179X SPI driver");
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MODULE_AUTHOR("Michael Trimarchi <michael@amarulasolutions.com>");
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MODULE_LICENSE("GPL");
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