[alsa-devel] X-Fi Titanium: Capture is possible only with unmuted input

Takashi Iwai tiwai at suse.de
Mon Aug 30 11:07:50 CEST 2010

At Mon, 30 Aug 2010 10:52:28 +0200,
Thor Kristoffersen wrote:
> On Mon, Aug 30, 2010 at 10:46 AM, Takashi Iwai <tiwai at suse.de> wrote:
> >> >> I'm having issues with an X-Fi Titanium and ALSA.  The problem is that
> >> >> it appears to be impossible to capture without unmuting the channel I'm
> >> >> capturing from.
> >> >
> >> > What do you mean exactly "unmuting the channel I'm capturing from"?
> >> > If you mean to turn on/off "XXX Capture Switch", then it's a feature,
> >> > no bug.
> >>
> >> No, I mean that capture is possible only when mute=off and capture=on.
> >
> > Which mute?  Please be more specific.
> The signal I'm trying to capture is coming in through the SPDIF-i
> channel, so I'm talking about the mute and capture flags on that
> channel. However, I also tried the analog input (line), and the
> problem is exactly the same on that channel.

Well, this is still unclear (what actually do you mean "channel") but
let me guess:

  the recording from either mic or line-in doesn't work unless you unmute
  via "Front Playback Switch" mixer element.



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