ASoC: add WM8782 ADC Codec Driver

Signed-off-by: Johannes Stezenbach <js@sig21.net>
[zonque@gmail.com: transform to new ASoC structure]
Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 80 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm8782.c b/sound/soc/codecs/wm8782.c
new file mode 100644
index 000000000000..a2a09f85ea99
--- /dev/null
+++ b/sound/soc/codecs/wm8782.c
@@ -0,0 +1,80 @@
+/*
+ * sound/soc/codecs/wm8782.c
+ * simple, strap-pin configured 24bit 2ch ADC
+ *
+ * Copyright: 2011 Raumfeld GmbH
+ * Author: Johannes Stezenbach <js@sig21.net>
+ *
+ * based on ad73311.c
+ * Copyright:   Analog Device Inc.
+ * Author:      Cliff Cai <cliff.cai@analog.com>
+ *
+ * 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/slab.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+static struct snd_soc_dai_driver wm8782_dai = {
+        .name = "wm8782",
+        .capture = {
+                .stream_name = "Capture",
+                .channels_min = 2,
+                .channels_max = 2,
+                /* For configurations with FSAMPEN=0 */
+                .rates = SNDRV_PCM_RATE_8000_48000,
+                .formats = SNDRV_PCM_FMTBIT_S16_LE |
+                           SNDRV_PCM_FMTBIT_S20_3LE |
+                           SNDRV_PCM_FMTBIT_S24_LE,
+        },
+};
+
+static struct snd_soc_codec_driver soc_codec_dev_wm8782;
+
+static __devinit int wm8782_probe(struct platform_device *pdev)
+{
+        return snd_soc_register_codec(&pdev->dev,
+                        &soc_codec_dev_wm8782, &wm8782_dai, 1);
+}
+
+static int __devexit wm8782_remove(struct platform_device *pdev)
+{
+        snd_soc_unregister_codec(&pdev->dev);
+        return 0;
+}
+
+static struct platform_driver wm8782_codec_driver = {
+        .driver = {
+                .name = "wm8782",
+                .owner = THIS_MODULE,
+        },
+        .probe = wm8782_probe,
+        .remove = wm8782_remove,
+};
+
+static int __init wm8782_init(void)
+{
+        return platform_driver_register(&wm8782_codec_driver);
+}
+module_init(wm8782_init);
+
+static void __exit wm8782_exit(void)
+{
+        platform_driver_unregister(&wm8782_codec_driver);
+}
+module_exit(wm8782_exit);
+
+MODULE_DESCRIPTION("ASoC WM8782 driver");
+MODULE_AUTHOR("Johannes Stezenbach <js@sig21.net>");
+MODULE_LICENSE("GPL");