[alsa-devel] [Fwd: Re: Fwd: audio ovolume problem on powerbook G3 Lombard (PPC740)]

[Risto Suominen]

2009/1/8 Takashi Iwai <tiwai at suse.de>:
> At Thu, 8 Jan 2009 14:06:05 +0200,
> Risto Suominen wrote:
>>
>> 2009/1/8, Takashi Iwai <tiwai at suse.de>:
>> >
>> > We may use a virtual master control when all slave controls have the
>> >  identical volume resolution.
>> >
>>
>> Sounds good. Is it something configurable, so there is no need to
>> change the code?
>
> Look at sound/core/vmaster.c.
>
>
> Takashi
>

Ok, I've tried to implement this on snd-powermac.

Takashi, looks like there is a side effect: plugging in headphone
doesn't show on alsamixer, even though it works, i.e. the speaker is
silenced. Or have I forgotten something in my implementation?

http://ristosu.wippiespace.com/pub/alsa-awacs-1.0.18a-p13.diff

Richard, maybe you can try this? You should adjust Speaker and Line
out to 100% in order to have full scale in Master.

Risto