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Diffstat (limited to 'sound/soc/codecs/ads117x.c')
-rw-r--r--sound/soc/codecs/ads117x.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/sound/soc/codecs/ads117x.c b/sound/soc/codecs/ads117x.c
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--- /dev/null
+++ b/sound/soc/codecs/ads117x.c
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+/*
+ * 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 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;
+
+static __devinit int ads117x_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_codec(&pdev->dev,
+ &soc_codec_dev_ads117x, &ads117x_dai, 1);
+}
+
+static int __devexit 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",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = ads117x_probe,
+ .remove = __devexit_p(ads117x_remove),
+};
+
+module_platform_driver(ads117x_codec_driver);
+
+MODULE_DESCRIPTION("ASoC ads117x driver");
+MODULE_AUTHOR("Graeme Gregory");
+MODULE_LICENSE("GPL");