1 files changed, 42 insertions, 0 deletions
diff --git a/sys/dev/sound/pcm/ac97_patch.c b/sys/dev/sound/pcm/ac97_patch.c
new file mode 100644
index 0000000..e598566
--- /dev/null
+++ b/sys/dev/sound/pcm/ac97_patch.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2002 FreeBSD, Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <dev/sound/pcm/sound.h>
+#include <dev/sound/pcm/ac97.h>
+#include <dev/sound/pcm/ac97_patch.h>
+
+SND_DECLARE_FILE("$FreeBSD$");
+
+void ad1886_patch(struct ac97_info* codec)
+{
+#define AC97_AD_JACK_SPDIF 0x72
+	/*
+	 *    Presario700 workaround
+	 *     for Jack Sense/SPDIF Register misetting causing
+	 *    no audible output
+	 *    by Santiago Nullo 04/05/2002
+	 */
+	ac97_wrcd(codec, AC97_AD_JACK_SPDIF, 0x0010);
+}