diff options
Diffstat (limited to 'sys/dev/sound/pcm/ac97_patch.c')
-rw-r--r-- | sys/dev/sound/pcm/ac97_patch.c | 42 |
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); +} |