Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / codecs / wm8782.c

diff --git a/kernel/sound/soc/codecs/wm8782.c b/kernel/sound/soc/codecs/wm8782.c
new file mode 100644 (file)
index 0000000..fb55fd8
--- /dev/null
+++ b/kernel/sound/soc/codecs/wm8782.c
@@ -0,0 +1,84 @@
+/*
+ * 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 const struct snd_soc_dapm_widget wm8782_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("AINL"),
+SND_SOC_DAPM_INPUT("AINR"),
+};
+
+static const struct snd_soc_dapm_route wm8782_dapm_routes[] = {
+       { "Capture", NULL, "AINL" },
+       { "Capture", NULL, "AINR" },
+};
+
+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 = {
+       .dapm_widgets = wm8782_dapm_widgets,
+       .num_dapm_widgets = ARRAY_SIZE(wm8782_dapm_widgets),
+       .dapm_routes = wm8782_dapm_routes,
+       .num_dapm_routes = ARRAY_SIZE(wm8782_dapm_routes),
+};
+
+static int wm8782_probe(struct platform_device *pdev)
+{
+       return snd_soc_register_codec(&pdev->dev,
+                       &soc_codec_dev_wm8782, &wm8782_dai, 1);
+}
+
+static int wm8782_remove(struct platform_device *pdev)
+{
+       snd_soc_unregister_codec(&pdev->dev);
+       return 0;
+}
+
+static struct platform_driver wm8782_codec_driver = {
+       .driver = {
+               .name = "wm8782",
+       },
+       .probe = wm8782_probe,
+       .remove = wm8782_remove,
+};
+
+module_platform_driver(wm8782_codec_driver);
+
+MODULE_DESCRIPTION("ASoC WM8782 driver");
+MODULE_AUTHOR("Johannes Stezenbach <js@sig21.net>");
+MODULE_LICENSE("GPL");