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