[alsa-devel] Bugs on aspire one A150

[Takashi Iwai]

At Fri, 20 Mar 2009 19:56:40 +0100,
Andreas Mohr wrote:
> 
> Hi,
> 
> On Wed, Mar 18, 2009 at 10:19:53AM +0100, Takashi Iwai wrote:
> > At Wed, 18 Mar 2009 10:05:07 +0100,
> > Andreas Mohr wrote:
> > > 
> > > Hi,
> > > 
> > > On Tue, Mar 17, 2009 at 09:32:16PM +0100, Takashi Iwai wrote:
> > > > Don't use -Dplughw:0.  Then the default setup will be used.
> > > > 
> > > > 	% arecord -fdat -c1 test.wav
> > > 
> > > Tried that, didn't help. /usr/share/alsa/cards/HDA-Intel.conf still
> > > contains the patch, but equal Capture Volume sliders still silenced
> > > audio input, whereas non-equal worked. Hmm.
> > 
> > What is the output with -v option?
> 
> Sorry for the delay!
> 
> $ arecord -fdat -c1 -v test.wav; aplay test.wav 
> Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono
> ALSA <-> PulseAudio PCM I/O Plugin
> Its setup is:
>   stream       : CAPTURE
>   access       : RW_INTERLEAVED
>   format       : S16_LE
>   subformat    : STD
>   channels     : 1
>   rate         : 48000
>   exact rate   : 48000 (48000/1)
>   msbits       : 16
>   buffer_size  : 24000
>   period_size  : 6000
>   period_time  : 125000
>   tstamp_mode  : NONE
>   period_step  : 1
>   avail_min    : 6000
>   period_event : 0
>   start_threshold  : 1
>   stop_threshold   : 24000
>   silence_threshold: 0
>   silence_size : 0
>   boundary     : 1572864000
> ^CAborted by signal Interrupt...
> Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono
> andi at andinet:/tmp$ 
> 
> 
> Hmm. Note the pulseaudio stuff above...

Yes, that's the very reason.  If you don't PA and avoid the
default configuration override (e.g. defined in /etc/asound.conf)
my patch should work.


Takashi