Hi,
Attached patch adds some stac9708 features that I found missing. The
name of the 4-speaker stereo probably does not conform to policy, but I
couldn't figure out what to name it. :) Any suggestions?
These options were found while working on the upcoming au88x0 driver
currently on savannah.
--
Ryan Underwood, <nemesis at icequake.net>, icq=10317253
diff -ur
/home/nemesis/src/linux/aureal/alsa/alsa-driver-0.9.4/sound/pci/ac97/ac97_codec.c
sound/pci/ac97/ac97_codec.c
--- /home/nemesis/src/linux/aureal/alsa/alsa-driver-0.9.4/sound/pci/ac97/ac97_codec.c
2003-05-31 09:15:01.000000000 -0500
+++ sound/pci/ac97/ac97_codec.c 2003-06-15 06:42:33.000000000 -0500
@@ -743,6 +743,12 @@
AC97_DOUBLE("Sigmatel Surround Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1)
};
+static const snd_kcontrol_new_t snd_ac97_sigmatel_4speaker =
+AC97_SINGLE("Sigmatel 4-Speaker Stereo Playback Switch", AC97_SIGMATEL_DAC2INVERT, 2,
1, 0);
+
+static const snd_kcontrol_new_t snd_ac97_sigmatel_phaseinvert =
+AC97_SINGLE("Sigmatel Surround Phase Inversion Playback Switch",
AC97_SIGMATEL_DAC2INVERT, 3, 1, 0);
+
static const snd_kcontrol_new_t snd_ac97_sigmatel_controls[] = {
AC97_SINGLE("Sigmatel DAC 6dB Attenuate", AC97_SIGMATEL_ANALOG, 1, 1, 0),
AC97_SINGLE("Sigmatel ADC 6dB Attenuate", AC97_SIGMATEL_ANALOG, 0, 1, 0)
@@ -1872,6 +1878,12 @@
if (snd_ac97_try_bit(ac97, AC97_SIGMATEL_ANALOG, 0))
if ((err = snd_ctl_add(card,
snd_ac97_cnew(&snd_ac97_sigmatel_controls[1], ac97))) < 0)
return err;
+ if (snd_ac97_try_bit(ac97, AC97_SIGMATEL_DAC2INVERT, 2))
+ if ((err = snd_ctl_add(card,
snd_ac97_cnew(&snd_ac97_sigmatel_4speaker, ac97))) < 0)
+ return err;
+ if (snd_ac97_try_bit(ac97, AC97_SIGMATEL_DAC2INVERT, 3))
+ if ((err = snd_ctl_add(card,
snd_ac97_cnew(&snd_ac97_sigmatel_phaseinvert, ac97))) < 0)
+ return err;
break;
case AC97_ID_ALC650:
/* detect ALC650 rev.E of later */
