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Diffstat (limited to '')
-rw-r--r-- | sound/soc/codecs/wm8731-spi.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8731-spi.c b/sound/soc/codecs/wm8731-spi.c new file mode 100644 index 0000000000..542ed097d8 --- /dev/null +++ b/sound/soc/codecs/wm8731-spi.c @@ -0,0 +1,59 @@ +// 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"); |