init android origin source code

1 files changed, 32 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/sound/pci/au88x0/au88x0_mixer.c b/ANDROID_3.4.5/sound/pci/au88x0/au88x0_mixer.c
new file mode 100644
index 00000000..557c782a
--- /dev/null
+++ b/ANDROID_3.4.5/sound/pci/au88x0/au88x0_mixer.c
@@ -0,0 +1,32 @@
+/*
+ * Vortex Mixer support.
+ *
+ * There is much more than just the AC97 mixer...
+ *
+ */
+
+#include <linux/time.h>
+#include <linux/init.h>
+#include <sound/core.h>
+#include "au88x0.h"
+
+static int __devinit snd_vortex_mixer(vortex_t * vortex)
+{
+	struct snd_ac97_bus *pbus;
+	struct snd_ac97_template ac97;
+	int err;
+	static struct snd_ac97_bus_ops ops = {
+		.write = vortex_codec_write,
+		.read = vortex_codec_read,
+	};
+
+	if ((err = snd_ac97_bus(vortex->card, 0, &ops, NULL, &pbus)) < 0)
+		return err;
+	memset(&ac97, 0, sizeof(ac97));
+	// Initialize AC97 codec stuff.
+	ac97.private_data = vortex;
+	ac97.scaps = AC97_SCAP_NO_SPDIF;
+	err = snd_ac97_mixer(pbus, &ac97, &vortex->codec);
+	vortex->isquad = ((vortex->codec == NULL) ?  0 : (vortex->codec->ext_id&0x80));
+	return err;
+}