Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / codecs / ad73311.c

diff --git a/kernel/sound/soc/codecs/ad73311.c b/kernel/sound/soc/codecs/ad73311.c
new file mode 100644 (file)
index 0000000..a9400ae
--- /dev/null
+++ b/kernel/sound/soc/codecs/ad73311.c
@@ -0,0 +1,89 @@
+/*
+ * ad73311.c  --  ALSA Soc AD73311 codec support
+ *
+ * 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>
+
+#include "ad73311.h"
+
+static const struct snd_soc_dapm_widget ad73311_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("VINP"),
+SND_SOC_DAPM_INPUT("VINN"),
+SND_SOC_DAPM_OUTPUT("VOUTN"),
+SND_SOC_DAPM_OUTPUT("VOUTP"),
+};
+
+static const struct snd_soc_dapm_route ad73311_dapm_routes[] = {
+       { "Capture", NULL, "VINP" },
+       { "Capture", NULL, "VINN" },
+
+       { "VOUTN", NULL, "Playback" },
+       { "VOUTP", NULL, "Playback" },
+};
+
+static struct snd_soc_dai_driver ad73311_dai = {
+       .name = "ad73311-hifi",
+       .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_ad73311 = {
+       .dapm_widgets = ad73311_dapm_widgets,
+       .num_dapm_widgets = ARRAY_SIZE(ad73311_dapm_widgets),
+       .dapm_routes = ad73311_dapm_routes,
+       .num_dapm_routes = ARRAY_SIZE(ad73311_dapm_routes),
+};
+
+static int ad73311_probe(struct platform_device *pdev)
+{
+       return snd_soc_register_codec(&pdev->dev,
+                       &soc_codec_dev_ad73311, &ad73311_dai, 1);
+}
+
+static int ad73311_remove(struct platform_device *pdev)
+{
+       snd_soc_unregister_codec(&pdev->dev);
+       return 0;
+}
+
+static struct platform_driver ad73311_codec_driver = {
+       .driver = {
+                       .name = "ad73311",
+       },
+
+       .probe = ad73311_probe,
+       .remove = ad73311_remove,
+};
+
+module_platform_driver(ad73311_codec_driver);
+
+MODULE_DESCRIPTION("ASoC ad73311 driver");
+MODULE_AUTHOR("Cliff Cai ");
+MODULE_LICENSE("GPL");