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[ALSA] ac97_codec - fix duplicate control creation in AC97

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This patch conditions AC97 control creation by whether or not the
codec is an AD18xx codec. This fixes the case where the default control
would get created and then snd_ac97_mixer_build fails out when creation
of ad18xx specific control would get attempted. This problem was found
and debuged by Marcelo Tosatti.

Signed-off-by: Jaya Kumar <jayakumar.alsa@gmail.com>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Jaya Kumar 2006-06-12 10:08:02 +02:00 committed by Jaroslav Kysela
parent ecb594e66e
commit 70c5acbdcc
1 changed files with 6 additions and 3 deletions
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9
sound/pci/ac97/ac97_codec.c
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@ -1236,7 +1236,8 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
/* build center controls */
if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
&& !(ac97->flags & AC97_AD_MULTI)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
return err;
if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
@ -1248,7 +1249,8 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
}
/* build LFE controls */
if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
&& !(ac97->flags & AC97_AD_MULTI)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
return err;
if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
@ -1260,7 +1262,8 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
}
/* build surround controls */
if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
&& !(ac97->flags & AC97_AD_MULTI)) {
/* Surround Master (0x38) is with stereo mutes */
if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback", AC97_SURROUND_MASTER, 1, ac97)) < 0)
return err;