Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / codecs / ads117x.c

diff --git a/kernel/sound/soc/codecs/ads117x.c b/kernel/sound/soc/codecs/ads117x.c
new file mode 100644 (file)
index 0000000..1222282
--- /dev/null
+++ b/kernel/sound/soc/codecs/ads117x.c
@@ -0,0 +1,91 @@
+/*
+ * ads117x.c  --  Driver for ads1174/8 ADC chips
+ *
+ * Copyright 2009 ShotSpotter Inc.
+ * Author: Graeme Gregory <gg@slimlogic.co.uk>
+ *
+ *  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/kernel.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#define ADS117X_RATES (SNDRV_PCM_RATE_8000_48000)
+#define ADS117X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
+
+static const struct snd_soc_dapm_widget ads117x_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("Input1"),
+SND_SOC_DAPM_INPUT("Input2"),
+SND_SOC_DAPM_INPUT("Input3"),
+SND_SOC_DAPM_INPUT("Input4"),
+SND_SOC_DAPM_INPUT("Input5"),
+SND_SOC_DAPM_INPUT("Input6"),
+SND_SOC_DAPM_INPUT("Input7"),
+SND_SOC_DAPM_INPUT("Input8"),
+};
+
+static const struct snd_soc_dapm_route ads117x_dapm_routes[] = {
+       { "Capture", NULL, "Input1" },
+       { "Capture", NULL, "Input2" },
+       { "Capture", NULL, "Input3" },
+       { "Capture", NULL, "Input4" },
+       { "Capture", NULL, "Input5" },
+       { "Capture", NULL, "Input6" },
+       { "Capture", NULL, "Input7" },
+       { "Capture", NULL, "Input8" },
+};
+
+static struct snd_soc_dai_driver ads117x_dai = {
+/* ADC */
+       .name = "ads117x-hifi",
+       .capture = {
+               .stream_name = "Capture",
+               .channels_min = 1,
+               .channels_max = 32,
+               .rates = ADS117X_RATES,
+               .formats = ADS117X_FORMATS,},
+};
+
+static struct snd_soc_codec_driver soc_codec_dev_ads117x = {
+       .dapm_widgets = ads117x_dapm_widgets,
+       .num_dapm_widgets = ARRAY_SIZE(ads117x_dapm_widgets),
+       .dapm_routes = ads117x_dapm_routes,
+       .num_dapm_routes = ARRAY_SIZE(ads117x_dapm_routes),
+};
+
+static int ads117x_probe(struct platform_device *pdev)
+{
+       return snd_soc_register_codec(&pdev->dev,
+                       &soc_codec_dev_ads117x, &ads117x_dai, 1);
+}
+
+static int ads117x_remove(struct platform_device *pdev)
+{
+       snd_soc_unregister_codec(&pdev->dev);
+       return 0;
+}
+
+static struct platform_driver ads117x_codec_driver = {
+       .driver = {
+                       .name = "ads117x-codec",
+       },
+
+       .probe = ads117x_probe,
+       .remove = ads117x_remove,
+};
+
+module_platform_driver(ads117x_codec_driver);
+
+MODULE_DESCRIPTION("ASoC ads117x driver");
+MODULE_AUTHOR("Graeme Gregory");
+MODULE_LICENSE("GPL");