At Mon, 5 Apr 2010 16:30:43 +0100 (BST), Tony Vroon wrote: > > After more tests it appears that EAPD needs to be enabled > on both the 0x14 and 0x15 NIDs to enable the main speaker > and headphone amplifiers. The maximum volume setting is > now equal to what the machine achieves under other operating > systems. > Disabling Front or LFE playback triggers EAPD and disables > the amplifier. As such, these two playback switches have > been removed from the mixer. > > Signed-off-by: Tony Vroon <tony@xxxxxxxx> > --- > Takashi, I would appreciate it if this could make it for 2.6.34; > it could be explained as a regression in the earlier 6530g changes. Applied now. Thanks. Takashi > --- a/sound/pci/hda/patch_realtek.c > +++ b/sound/pci/hda/patch_realtek.c > @@ -1621,6 +1621,11 @@ static struct hda_verb alc888_acer_aspire_4930g_verbs[] = { > */ > > static struct hda_verb alc888_acer_aspire_6530g_verbs[] = { > +/* Route to built-in subwoofer as well as speakers */ > + {0x0c, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)}, > + {0x0c, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)}, > + {0x0f, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)}, > + {0x0f, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)}, > /* Bias voltage on for external mic port */ > {0x18, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN | PIN_VREF80}, > /* Front Mic: set to PIN_IN (empty by default) */ > @@ -1632,10 +1637,12 @@ static struct hda_verb alc888_acer_aspire_6530g_verbs[] = { > /* Enable speaker output */ > {0x14, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT}, > {0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE}, > + {0x14, AC_VERB_SET_EAPD_BTLENABLE, 2}, > /* Enable headphone output */ > {0x15, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | PIN_HP}, > {0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE}, > {0x15, AC_VERB_SET_CONNECT_SEL, 0x00}, > + {0x15, AC_VERB_SET_EAPD_BTLENABLE, 2}, > { } > }; > > @@ -8398,9 +8405,7 @@ static struct snd_kcontrol_new alc883_acer_aspire_mixer[] = { > > static struct snd_kcontrol_new alc888_acer_aspire_6530_mixer[] = { > HDA_CODEC_VOLUME("Front Playback Volume", 0x0c, 0x0, HDA_OUTPUT), > - HDA_BIND_MUTE("Front Playback Switch", 0x0c, 2, HDA_INPUT), > HDA_CODEC_VOLUME("LFE Playback Volume", 0x0f, 0x0, HDA_OUTPUT), > - HDA_BIND_MUTE("LFE Playback Switch", 0x0f, 2, HDA_INPUT), > HDA_CODEC_VOLUME("Line Playback Volume", 0x0b, 0x02, HDA_INPUT), > HDA_CODEC_MUTE("Line Playback Switch", 0x0b, 0x02, HDA_INPUT), > HDA_CODEC_VOLUME("CD Playback Volume", 0x0b, 0x04, HDA_INPUT), > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel