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[ALSA] ac97 - Fix ASUS A9T laptop output 

ASUS A9T laptop uses line-out pin as the real front-output while
other devices use it as the surround.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2008-05-29 08:16:56 +02:00
parent e490517a03
commit e48d6d97bb
2 changed files with 35 additions and 14 deletions
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1
include/sound/ac97_codec.h
View File

@ -505,6 +505,7 @@ struct snd_ac97 {
unsigned short pcmreg[3]; // PCM registers
unsigned short codec_cfg[3]; // CODEC_CFG bits
unsigned char swap_mic_linein; // AD1986/AD1986A only
unsigned char lo_as_master; /* LO as master */
} ad18xx;
unsigned int dev_flags; /* device specific */
} spec;

48
sound/pci/ac97/ac97_patch.c
View File

@ -1971,6 +1971,9 @@ static int snd_ac97_ad1888_lohpsel_get(struct snd_kcontrol *kcontrol, struct snd
val = ac97->regs[AC97_AD_MISC];
ucontrol->value.integer.value[0] = !(val & AC97_AD198X_LOSEL);
if (ac97->spec.ad18xx.lo_as_master)
ucontrol->value.integer.value[0] =
!ucontrol->value.integer.value[0];
return 0;
}
@ -1979,8 +1982,10 @@ static int snd_ac97_ad1888_lohpsel_put(struct snd_kcontrol *kcontrol, struct snd
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
val = !ucontrol->value.integer.value[0]
? (AC97_AD198X_LOSEL | AC97_AD198X_HPSEL) : 0;
val = !ucontrol->value.integer.value[0];
if (ac97->spec.ad18xx.lo_as_master)
val = !val;
val = val ? (AC97_AD198X_LOSEL | AC97_AD198X_HPSEL) : 0;
return snd_ac97_update_bits(ac97, AC97_AD_MISC,
AC97_AD198X_LOSEL | AC97_AD198X_HPSEL, val);
}
@ -2031,7 +2036,7 @@ static void ad1888_update_jacks(struct snd_ac97 *ac97)
{
unsigned short val = 0;
/* clear LODIS if shared jack is to be used for Surround out */
if (is_shared_linein(ac97))
if (!ac97->spec.ad18xx.lo_as_master && is_shared_linein(ac97))
val |= (1 << 12);
/* clear CLDIS if shared jack is to be used for C/LFE out */
if (is_shared_micin(ac97))
@ -2067,9 +2072,13 @@ static const struct snd_kcontrol_new snd_ac97_ad1888_controls[] = {
static int patch_ad1888_specific(struct snd_ac97 *ac97)
{
/* rename 0x04 as "Master" and 0x02 as "Master Surround" */
snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Master Surround Playback");
snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
if (!ac97->spec.ad18xx.lo_as_master) {
/* rename 0x04 as "Master" and 0x02 as "Master Surround" */
snd_ac97_rename_vol_ctl(ac97, "Master Playback",
"Master Surround Playback");
snd_ac97_rename_vol_ctl(ac97, "Headphone Playback",
"Master Playback");
}
return patch_build_controls(ac97, snd_ac97_ad1888_controls, ARRAY_SIZE(snd_ac97_ad1888_controls));
}
@ -2088,16 +2097,27 @@ static int patch_ad1888(struct snd_ac97 * ac97)
patch_ad1881(ac97);
ac97->build_ops = &patch_ad1888_build_ops;
/* Switch FRONT/SURROUND LINE-OUT/HP-OUT default connection */
/* it seems that most vendors connect line-out connector to headphone out of AC'97 */
/*
* LO can be used as a real line-out on some devices,
* and we need to revert the front/surround mixer switches
*/
if (ac97->subsystem_vendor == 0x1043 &&
ac97->subsystem_device == 0x1193) /* ASUS A9T laptop */
ac97->spec.ad18xx.lo_as_master = 1;
misc = snd_ac97_read(ac97, AC97_AD_MISC);
/* AD-compatible mode */
/* Stereo mutes enabled */
misc = snd_ac97_read(ac97, AC97_AD_MISC);
snd_ac97_write_cache(ac97, AC97_AD_MISC, misc |
AC97_AD198X_LOSEL |
AC97_AD198X_HPSEL |
AC97_AD198X_MSPLT |
AC97_AD198X_AC97NC);
misc |= AC97_AD198X_MSPLT | AC97_AD198X_AC97NC;
if (!ac97->spec.ad18xx.lo_as_master)
/* Switch FRONT/SURROUND LINE-OUT/HP-OUT default connection */
/* it seems that most vendors connect line-out connector to
* headphone out of AC'97
*/
misc |= AC97_AD198X_LOSEL | AC97_AD198X_HPSEL;
snd_ac97_write_cache(ac97, AC97_AD_MISC, misc);
ac97->flags |= AC97_STEREO_MUTES;
return 0;
}