[pulseaudio-discuss] Pulseaudio overwrites alsa settings

orschiro at googlemail.com orschiro at googlemail.com
Sun Sep 18 13:10:14 PDT 2011

Forgot the amixer and pacmd ls outputs.



2011/9/19  <orschiro at gmail.com>:
> You guys were right. Obviously it is a problem of the current stable
> release. I tried the beta 0.99 and my internal mic volume is now
> greater than zero.
> However, now my mic channel is at zero which doesn't affect the
> recording though.
> But I still not understand how pulseaudio and alsa work together.
> For example, how can I make channel volume adjustments which are
> persistent and recognised by pulseaudio?
> Pavucontrol gives me not all the options.
> Robert.
> 2011/9/18 David Henningsson <david.henningsson at canonical.com>:
>> On 09/17/2011 03:37 PM, Colin Guthrie wrote:
>>> 'Twas brillig, and orschiro at googlemail.com at 17/09/11 11:51 did gyre
>>> and gimble:
>>>> Unfortunately I did not receive your reply.
>>>> Here is the output of
>>>> amixer -c0 http://pastebin.com/zv8x7Cht
>>>> and of pacmd ls http://pastebin.com/8spQJd1W
>>>> As a GUI I use pavucontrol but there I cannot change the volume of the
>>>> internal mic. With alsamixer on the other hand I can adapt it.
>>>  From what I can tell, your amixer output is claiming to only have one
>>> control capable of adjusting "capture volume" (cvolume) and that is the
>>> "Digital" control. Both the "Internal Mic" and "Docking Mic" are showing
>>> up as pvolume (playback volume) and thus PA is not using them for
>>> adjusting the capture volume.
>>> David, have I interpreted this right? Is this just a problem at the alsa
>>> level?
>> "Capabilities: volume"
>> ...means a volume control that affects both playback and recording. So that
>> looks ok.
>> Orschiro should have both an "Internal Mic" port and a "Docking Station Mic"
>> port, and be able to select the "Internal Mic" one. From the pacmd ls it
>> doesn't seem to be that way. This is probably a bug, but since no more
>> releases of 0.9.23 are planned, I wouldn't spend time on it unless it is
>> also a problem in 0.99.x.
>> --
>> David Henningsson, Canonical Ltd.
>> http://launchpad.net/~diwic

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