[alsa-devel] Regarding Sound on Acer Aspire 6935G

[Emilio López]

2009/6/9 Takashi Iwai <tiwai at suse.de>

> At Sat, 6 Jun 2009 14:58:47 -0300,
> Emilio López wrote:
> >
> > Just tried with model acer-aspire-8930g on 1.0.20, it works the same as
> > acer-aspire-4930g. Mic works, the "tuba" thing doesn't. Googling a bit I
> found
> > that acer-aspire-8930g is for ALC889, but mine is ALC888.
> >
> > I attach alsa-info.txt for this new model, just in case it's useful.
>
> OK, just to make things clear again:
> you got the bass output controlled via "Side" volume when you pass
> model=acer.  Now the driver takes model=acer-aspire-4930g as default,
> and the bass doesn't work even if you change "Side" volume.
>
> Right?


Right


>
>
> As far as I see, the connection of "Side" volume, i.e. the pin widget
> 0x0f, is also done for 4930g.  So, there should be anything else.
>
> How about the patch below?  If it still doesn't work, please give both
> the working (model=acer) and non-working (w/o model), on both "Side"
> is set to the same level.


The patch completely muted my system - I don't have any playback working
(didn't test headphones though)

Here is the alsa-infos you requested:
model=acer, working "side":
http://files.getdropbox.com/u/553461/alsainfo-acer.txt
model=acer-aspire-4930g, with your patch applied (no playback):
http://files.getdropbox.com/u/553461/alsainfo-acer-aspire-4930g%2Bpatch.txt
model=acer-aspire-4930g, unpatched build, "side" not working:
http://files.getdropbox.com/u/553461/alsainfo-acer-aspire-4930g.txt

Thanks!


>
>
> thanks,
>
> Takashi
>
> ---
> diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
> index 337d2a5..372a02a 100644
> --- a/sound/pci/hda/patch_realtek.c
> +++ b/sound/pci/hda/patch_realtek.c
> @@ -1467,6 +1467,9 @@ static struct hda_verb
> alc888_acer_aspire_4930g_verbs[] = {
>        {0x15, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT},
>        {0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE},
>        {0x15, AC_VERB_SET_CONNECT_SEL, 0x00},
> +        /* eanable EAPD? */
> +       {0x20, AC_VERB_SET_COEF_INDEX, 0x07},
> +       {0x20, AC_VERB_SET_PROC_COEF, 0x3050},
>        { }
>  };
>
>
Emilio