Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / cirrus / simone.c

diff --git a/kernel/sound/soc/cirrus/simone.c b/kernel/sound/soc/cirrus/simone.c
new file mode 100644 (file)
index 0000000..1ec6618
--- /dev/null
+++ b/kernel/sound/soc/cirrus/simone.c
@@ -0,0 +1,87 @@
+/*
+ * simone.c -- ASoC audio for Simplemachines Sim.One board
+ *
+ * Copyright (c) 2010 Mika Westerberg
+ *
+ * Based on snappercl15 machine driver by Ryan Mallon.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+
+static struct snd_soc_dai_link simone_dai = {
+       .name           = "AC97",
+       .stream_name    = "AC97 HiFi",
+       .cpu_dai_name   = "ep93xx-ac97",
+       .codec_dai_name = "ac97-hifi",
+       .codec_name     = "ac97-codec",
+       .platform_name  = "ep93xx-ac97",
+};
+
+static struct snd_soc_card snd_soc_simone = {
+       .name           = "Sim.One",
+       .owner          = THIS_MODULE,
+       .dai_link       = &simone_dai,
+       .num_links      = 1,
+};
+
+static struct platform_device *simone_snd_ac97_device;
+
+static int simone_probe(struct platform_device *pdev)
+{
+       struct snd_soc_card *card = &snd_soc_simone;
+       int ret;
+
+       simone_snd_ac97_device = platform_device_register_simple("ac97-codec",
+                                                                -1, NULL, 0);
+       if (IS_ERR(simone_snd_ac97_device))
+               return PTR_ERR(simone_snd_ac97_device);
+
+       card->dev = &pdev->dev;
+
+       ret = snd_soc_register_card(card);
+       if (ret) {
+               dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+                       ret);
+               platform_device_unregister(simone_snd_ac97_device);
+       }
+
+       return ret;
+}
+
+static int simone_remove(struct platform_device *pdev)
+{
+       struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+       snd_soc_unregister_card(card);
+       platform_device_unregister(simone_snd_ac97_device);
+
+       return 0;
+}
+
+static struct platform_driver simone_driver = {
+       .driver         = {
+               .name   = "simone-audio",
+       },
+       .probe          = simone_probe,
+       .remove         = simone_remove,
+};
+
+module_platform_driver(simone_driver);
+
+MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
+MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:simone-audio");