1 files changed, 108 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm1250-ev1.c b/sound/soc/codecs/wm1250-ev1.c
new file mode 100644
index 00000000000..14d0716bf00
--- /dev/null
+++ b/sound/soc/codecs/wm1250-ev1.c
@@ -0,0 +1,108 @@
+/*
+ * Driver for the 1250-EV1 audio I/O module
+ *
+ * Copyright 2011 Wolfson Microelectronics plc
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+static const struct snd_soc_dapm_widget wm1250_ev1_dapm_widgets[] = {
+SND_SOC_DAPM_ADC("ADC", "wm1250-ev1 Capture", SND_SOC_NOPM, 0, 0),
+SND_SOC_DAPM_DAC("DAC", "wm1250-ev1 Playback", SND_SOC_NOPM, 0, 0),
+
+SND_SOC_DAPM_INPUT("WM1250 Input"),
+SND_SOC_DAPM_INPUT("WM1250 Output"),
+};
+
+static const struct snd_soc_dapm_route wm1250_ev1_dapm_routes[] = {
+	{ "ADC", NULL, "WM1250 Input" },
+	{ "WM1250 Output", NULL, "DAC" },
+};
+
+static struct snd_soc_dai_driver wm1250_ev1_dai = {
+	.name = "wm1250-ev1",
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 1,
+		.channels_max = 1,
+		.rates = SNDRV_PCM_RATE_8000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE,
+	},
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 1,
+		.channels_max = 1,
+		.rates = SNDRV_PCM_RATE_8000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE,
+	},
+};
+
+static struct snd_soc_codec_driver soc_codec_dev_wm1250_ev1 = {
+	.dapm_widgets = wm1250_ev1_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(wm1250_ev1_dapm_widgets),
+	.dapm_routes = wm1250_ev1_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(wm1250_ev1_dapm_routes),
+};
+
+static int __devinit wm1250_ev1_probe(struct i2c_client *i2c,
+				      const struct i2c_device_id *id)
+{
+	return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm1250_ev1,
+				      &wm1250_ev1_dai, 1);
+}
+
+static int __devexit wm1250_ev1_remove(struct i2c_client *i2c)
+{
+	snd_soc_unregister_codec(&i2c->dev);
+
+	return 0;
+}
+
+static const struct i2c_device_id wm1250_ev1_i2c_id[] = {
+	{ "wm1250-ev1", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, wm1250_ev1_i2c_id);
+
+static struct i2c_driver wm1250_ev1_i2c_driver = {
+	.driver = {
+		.name = "wm1250-ev1",
+		.owner = THIS_MODULE,
+	},
+	.probe =    wm1250_ev1_probe,
+	.remove =   __devexit_p(wm1250_ev1_remove),
+	.id_table = wm1250_ev1_i2c_id,
+};
+
+static int __init wm1250_ev1_modinit(void)
+{
+	int ret = 0;
+
+	ret = i2c_add_driver(&wm1250_ev1_i2c_driver);
+	if (ret != 0)
+		pr_err("Failed to register WM1250-EV1 I2C driver: %d\n", ret);
+
+	return ret;
+}
+module_init(wm1250_ev1_modinit);
+
+static void __exit wm1250_ev1_exit(void)
+{
+	i2c_del_driver(&wm1250_ev1_i2c_driver);
+}
+module_exit(wm1250_ev1_exit);
+
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("WM1250-EV1 audio I/O module driver");
+MODULE_LICENSE("GPL");