[alsa-devel] Macbook[Pro] 5 6ch support

[Takashi Iwai]

At Mon, 1 Jun 2009 15:36:35 +0200,
Kacper Szczesniak wrote:
> 
> On Mon, Jun 1, 2009 at 10:54 AM, Takashi Iwai <tiwai at suse.de> wrote:
> > Hm, this patch changes the channel mapping completely.
> > Is it intentional?
> yes, 0xc/0xd/0xe for Front/LFE/Surr
> 
> >> static struct snd_kcontrol_new alc885_mb5_mixer[] = {
> >> -     HDA_CODEC_VOLUME("Front Playback Volume", 0x0d, 0x00, HDA_OUTPUT),
> >> -     HDA_BIND_MUTE   ("Front Playback Switch", 0x0d, 0x02, HDA_INPUT),
> >> -     HDA_CODEC_VOLUME("Line-Out Playback Volume", 0x0c, 0x00, HDA_OUTPUT),
> >> -     HDA_BIND_MUTE   ("Line-Out Playback Switch", 0x0c, 0x02, HDA_INPUT),
> >> +     HDA_CODEC_VOLUME("Front Playback Volume", 0x0c, 0x00, HDA_OUTPUT),
> >> +     HDA_BIND_MUTE   ("Front Playback Switch", 0x0c, 0x02, HDA_INPUT),
> >> +     HDA_CODEC_VOLUME("Surround Playback Volume", 0x0d, 0x00, HDA_OUTPUT),
> >> +     HDA_BIND_MUTE   ("Surround Playback Switch", 0x0d, 0x02, HDA_INPUT),
> >> +     HDA_CODEC_VOLUME("LFE Playback Volume", 0x0e, 0x00, HDA_OUTPUT),
> >> +     HDA_BIND_MUTE   ("LFE Playback Switch", 0x0e, 0x02, HDA_INPUT),
> >> +     HDA_CODEC_VOLUME("HP Playback Volume", 0x0f, 0x00, HDA_OUTPUT),
> >> +     HDA_BIND_MUTE   ("HP Playback Switch", 0x0f, 0x02, HDA_INPUT),
> >>       HDA_CODEC_VOLUME("Line Playback Volume", 0x0b, 0x02, HDA_INPUT),
> >>       HDA_CODEC_MUTE  ("Line Playback Switch", 0x0b, 0x02, HDA_INPUT),
> >
> >
> > I'm wondering whether this breaks MB5, not MB5.1.  If it's MB5.1
> > specific, please create another model instead of breaking the old
> > one.
> it's confirmed to work on MB5.1 MBP5.1 MBP52

Hrm, then I wonder why the old mb5 model works as is although the
mapping is totally different...


Takashi