[alsa-devel] No recording on hda-intel (AD1981HD)

Ustun ERGENOGLU ustun.ergenoglu at gmail.com
Tue Feb 12 15:00:51 CET 2008


I have read the whole thread and I have the same exact problem of
recording with a realtek ALC861 codec on a ATI chipset board. My
harddisk controller is also using sata_sil module. I have this problem
for a long time too. Would the same patch solve the problem for me as
well?

2008/2/12, Takashi Iwai <tiwai at suse.de>:
> At Fri, 8 Feb 2008 19:51:39 +0100,
> Grzegorz Chwesewicz wrote:
> >
> > Friday 08 of February 2008 16:57:37 Takashi Iwai napisał(a):
> > > At Fri, 08 Feb 2008 13:24:52 +0100,
> > >
> > > I wrote:
> > > > BTW, do you have problems found in below?
> > > >   https://bugzilla.novell.com/show_bug.cgi?id=297703
> > > >
> > > > According to the reporter, nc6400 with AD1981 has a problem with
> > > > headphone jack auto-muting and with the non-linear master volume.
> > > >
> > > > I supplied two test patches there.
> > >
> > > For convenience, I attach patches here.
> >
> > Hi, I had no time to test your first patch (this one which check if irq
> > handler is called), I've only tested it for a while (working on MSI turned
> > on, sometimes hard locks my laptop).
> >
> > I also have similiar problems with automute, and non-linear master volume
> > control.
> >
> > Without automute patch, automute works from time to time. With your patch
> > applied to latest git it works all the time, until the recording breaks. When
> > it happens I have sound only in headphones, but not in internal speaker.
> > Pluging and unpluging HP doesn't help, only reloading hda-intel fixes
> > problem.
> > Assuming, your automute patch is ok, but it helps me only until mic breaks.
>
> OK, this patch is now on HG tree.
>
> > Without ad1981-hp-master-amp-fix muting (muting=disabling it, not making it's
> > value equal 0) "Master" and "PCM" control works ok. Decrementing Master and
> > PCM controls to 0 is possible, but after that I can hear very quiet output
> > from internal speakers.
> > With your patch (ad1981-hp-master-amp-fix) applied to latest git I can't
> > decrement Master control to 0 (I can do that with PCM, but behavior is same
> > as described upper). I can only decrement it to value 3, and when I press
> > down key (in alsamixer) to step to lower level of loudness, it's switching to
> > value 103. When Master has 103 value I can hear very quiet output from
> > internal speakers and HP (if plugged).
>
> The patch will change only the behavior of Master control.  PCM should
> be as same as before.
>
> What "value" are you referring in the above context?  Is it a raw
> mixer value, percent or dB, or the codec amp value?
>
> Maybe we need to make clear how the master volume control behaves.
> According to the original bug reporter, the master volume behaves like
> below:
>
> - from 0% to 49%
>   sounds are still audible, and the volume doesn't change at all
> - from 50% to 100%
>   sounds get louder normally
>
> How about yours?
>
>
> Takashi
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