60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* wm8731.c -- WM8731 ALSA SoC Audio driver
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*
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* Copyright 2005 Openedhand Ltd.
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* Copyright 2006-12 Wolfson Microelectronics, plc
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*
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* Author: Richard Purdie <richard@openedhand.com>
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*
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* Based on wm8753.c by Liam Girdwood
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*/
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#include <linux/spi/spi.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include "wm8731.h"
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static const struct of_device_id wm8731_of_match[] = {
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{ .compatible = "wlf,wm8731", },
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{ }
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};
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MODULE_DEVICE_TABLE(of, wm8731_of_match);
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static int wm8731_spi_probe(struct spi_device *spi)
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{
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struct wm8731_priv *wm8731;
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int ret;
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wm8731 = devm_kzalloc(&spi->dev, sizeof(*wm8731), GFP_KERNEL);
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if (wm8731 == NULL)
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return -ENOMEM;
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spi_set_drvdata(spi, wm8731);
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wm8731->regmap = devm_regmap_init_spi(spi, &wm8731_regmap);
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if (IS_ERR(wm8731->regmap)) {
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ret = PTR_ERR(wm8731->regmap);
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dev_err(&spi->dev, "Failed to allocate register map: %d\n",
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ret);
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return ret;
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}
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return wm8731_init(&spi->dev, wm8731);
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}
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static struct spi_driver wm8731_spi_driver = {
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.driver = {
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.name = "wm8731",
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.of_match_table = wm8731_of_match,
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},
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.probe = wm8731_spi_probe,
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};
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module_spi_driver(wm8731_spi_driver);
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MODULE_DESCRIPTION("ASoC WM8731 driver - SPI");
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MODULE_AUTHOR("Richard Purdie");
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MODULE_LICENSE("GPL");
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