1 /*
2 * Copyright 2002 FreeBSD, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26 #include <dev/sound/pcm/sound.h>
27 #include <dev/sound/pcm/ac97.h>
28 #include <dev/sound/pcm/ac97_patch.h>
29
30 SND_DECLARE_FILE("$FreeBSD: releng/5.3/sys/dev/sound/pcm/ac97_patch.c 119208 2003-08-21 15:44:55Z orion $");
31
32 void ad1886_patch(struct ac97_info* codec)
33 {
34 #define AC97_AD_JACK_SPDIF 0x72
35 /*
36 * Presario700 workaround
37 * for Jack Sense/SPDIF Register misetting causing
38 * no audible output
39 * by Santiago Nullo 04/05/2002
40 */
41 ac97_wrcd(codec, AC97_AD_JACK_SPDIF, 0x0010);
42 }
43
44 void ad198x_patch(struct ac97_info* codec)
45 {
46 ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x0420);
47 }
48
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