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-rw-r--r--sound/soc/codecs/wm8731-spi.c59
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 000000000000..542ed097d89a
--- /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");