Compaq Presario Patch

Dies ist ein Patch für den Compaq Presario 700, damit der Mixer sich hochdrehen läßt. Die Vorgeschichte, bis ich zu diesem Patch gekommen bin, gibt es unter http://slash.jensbenecke.de/article.php3?story_id=65.

 Date: 07 Apr 2002 02:09:02 +0200
 From: Raul Sanchez Sanchez <raul@dif.um.es>
 To: Undisclosed-Recipient: ;
 Subject: Re: Patch de Sonido Compaq Presario
 X-Mailer: Ximian Evolution 1.0.3
 Message-Id: <1018138142.479.15.camel@siroco>

Hola Santiago:

Funciona perfectamente :) muchas gracias por el parche.

Saludos

El vie, 05-04-2002 a las 18:01, Santiago Nullo escribió:

 > Hola Raul, me gustaria pedirte que pruebes este patch que acabo de generar para resolver  la falta de audio en la Presario serie 700.
 > A mi me dio resultado. Esta hecho contra el kernel 2.4.18
 > Luego de aplicarlo, compila el kernel con soporte para via82cxxx e inserta el modulo.
 >
 > Eso deberia bastar  :)
 >
 > Saludos
 >
 > diff -u --new-file --recursive linux-2.4.18/drivers/sound/ac97_codec.c linux/drivers/sound/ac97_codec.c
 > --- linux-2.4.18/drivers/sound/ac97_codec.c  Mon Nov 12 15:02:54 2001
 > +++ linux/drivers/sound/ac97_codec.c Fri Apr  5 03:12:56 2002
 > @@ -65,6 +65,7 @@
 >  static int sigmatel_9708_init(struct ac97_codec *codec);
 >  static int sigmatel_9721_init(struct ac97_codec *codec);
 >  static int sigmatel_9744_init(struct ac97_codec *codec);
 > +static int ad1886_init(struct ac97_codec *codec);
 >  static int eapd_control(struct ac97_codec *codec, int);
 >  static int crystal_digital_control(struct ac97_codec *codec, int mode);
 >
 > @@ -94,6 +95,7 @@
 >  static struct ac97_ops sigmatel_9721_ops = { sigmatel_9721_init, NULL, NULL };
 >  static struct ac97_ops sigmatel_9744_ops = { sigmatel_9744_init, NULL, NULL };
 >  static struct ac97_ops crystal_digital_ops = { NULL, eapd_control,  crystal_digital_control };
 > +static struct ac97_ops ad1886_ops = { ad1886_init, eapd_control, NULL };
 >
 >  /* sorted by vendor/device id */
 >  static const struct {
 > @@ -106,6 +108,7 @@
 >      {0x41445348, "Analog Devices AD1881A",  &null_ops},
 >      {0x41445360, "Analog Devices AD1885",   &default_ops},
 >      {0x41445460, "Analog Devices AD1885",   &default_ops},
 > +    {0x41445361, "Analog Devices AD1886",   &ad1886_ops},
 >      {0x414B4D00, "Asahi Kasei AK4540",      &null_ops},
 >      {0x414B4D01, "Asahi Kasei AK4542",      &null_ops},
 >      {0x414B4D02, "Asahi Kasei AK4543",      &null_ops},
 > @@ -869,6 +872,26 @@
 >      codec->codec_write(codec, 0x2C, 0XFFFF);
 >      return 0;
 >  }
 > +
 > +
 > +
 > +/*
 > + *  Presario700 workaround
 > + *  for Jack Sense/SPDIF Register misetting causing
 > + *  no audible output
 > + *  by Santiago Nullo 04/05/2002
 > + */
 > +
 > +#define AC97_AD1886_JACK_SENSE 0x72
 > +
 > +static int ad1886_init(struct ac97_codec * codec)
 > +{
 > +    /* from AD1886 Specs */
 > +    codec->codec_write(codec, AC97_AD1886_JACK_SENSE, 0x0010);
 > +    return 0;
 > +}
 > +
 > +
 >
 >
 >  /*
 >