Advanced Linux Sound System development

Richard Olsson | 1 Feb 2003 14:48

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RC7 and CS46xx (GTXP)

Something between CVS 2002-12-18 and RC7 seriously broke the amplifier
stuff for me on my GTXP - sound is very disorted and volume is very low.
It's different from the troubles RC6 gave me though.  I'd guess it's
the recent amplifier patch that was applied to the CS46xx driver.

Only oddity I see is in dmesg:
ALSA ../../alsa-kernel/pci/cs46xx/cs46xx_lib.c:415: cs46xx: failure waiting for FIFO command to complete

I'll stick to the 2002-12-18 CVS for now:)

--

-- 
Richard Olsson
flame <at> home.se
http://www.nyo-box.net/ - http://www.aelia-studios.org/

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Richard Olsson | 1 Feb 2003 17:00

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Re: RC7 and CS46xx (GTXP)

> Something between CVS 2002-12-18 and RC7 seriously broke the amplifier
> stuff for me on my GTXP - sound is very disorted and volume is very
> low. It's different from the troubles RC6 gave me though.  I'd guess
> it's the recent amplifier patch that was applied to the CS46xx driver.

Replying to my own mail, I know:)

I reverted the changes the recent amplifier patch did to cs46xx_lib.c
and RC7 works perfectly - no warning in dmesg either.

--

-- 
Richard Olsson
flame <at> home.se
http://www.nyo-box.net/ - http://www.aelia-studios.org/

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ljp | 1 Feb 2003 20:22

mutli channel

I have a couple questions....

1) does alsa have support for multichannel output? If so, how would one go 
about sending individual signals to channels 1-8?

2) I am not real clear on how to use the mixer. What would be the bare minimum 
steps to get the main volume?

thanks.
ljp

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Mark Knecht | 1 Feb 2003 20:39

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Automounting my 1394 drives causes Alsa to not load...

Hi,
   Bit of a problem. This is Redhat 7.3, PlanetCCRMA flow, and the
machine has 256MB. Alsa has been working reasonably well for me, but I
have two problems that I would really like to fix:

1) Old problem - if my MidiSport 2x2 is plugged in when I cold boot,
then Alsa gets loaded when the MidiSport is found. When I get to the
part of the boot process where Alsa is supposed to get started, I get a
'Failed' message, telling me Alsa is already running. Even this is OK,
but then later when Linux attempt to load the HDSP 9652 drivers, they
fail one out of two times saying they cannot allocate memory.

2) When I try to auto-mount my 1394 hard drives by creating an
auto-mount entry in /etc/fstab, they may not be turned on, which is
legal. However, in this situation Alsa always fails to load. I have to
make the drive 'noauto' to get Alsa to start correctly.

   Both of these problems seem to be solved by warm booting the system.
However, that takes time and I certainly shouldn't have to do that.

   What can I do to solve these problems so that Alsa will come up
correctly on my first cold boot.

Cheers,
Mark

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(Continue reading)

Fernando Pablo Lopez-Lezcano | 1 Feb 2003 21:31

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Re: Automounting my 1394 drives causes Alsa to not load...

> 1) Old problem - if my MidiSport 2x2 is plugged in when I cold boot,
> then Alsa gets loaded when the MidiSport is found. When I get to the
> part of the boot process where Alsa is supposed to get started, I get a
> 'Failed' message, telling me Alsa is already running. Even this is OK,
> but then later when Linux attempt to load the HDSP 9652 drivers, they
> fail one out of two times saying they cannot allocate memory.

I think the solution to this one is to "blacklist" the alsa driver so
that hotplug does not load it while the system is starting up. To do
that just add a line with "snd-usb-audio" to the end of 
  /etc/hotplug/blacklist
You probably already have "audio" and "usb-midi" there (the oss kernel
modules that deal with usb audio and midi). 

-- Fernando

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Mark Knecht | 2 Feb 2003 01:40

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Re: Automounting my 1394 drives causes Alsa to not load...

On Sat, 2003-02-01 at 12:31, Fernando Pablo Lopez-Lezcano wrote:
> > 1) Old problem - if my MidiSport 2x2 is plugged in when I cold boot,
> > then Alsa gets loaded when the MidiSport is found. When I get to the
> > part of the boot process where Alsa is supposed to get started, I get a
> > 'Failed' message, telling me Alsa is already running. Even this is OK,
> > but then later when Linux attempt to load the HDSP 9652 drivers, they
> > fail one out of two times saying they cannot allocate memory.
> 
> I think the solution to this one is to "blacklist" the alsa driver so
> that hotplug does not load it while the system is starting up. To do
> that just add a line with "snd-usb-audio" to the end of 
>   /etc/hotplug/blacklist
> You probably already have "audio" and "usb-midi" there (the oss kernel
> modules that deal with usb audio and midi). 
> 
Fernando,
   Thanks! Early indications are that this helps. I'll keep an eye on it
and see how it goes.

Cheers,
Mark

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ljp | 2 Feb 2003 03:50

Re: mutli channel

On Saturday February 1 2003 12:22 pm, ljp wrote:
> 2) I am not real clear on how to use the mixer. What would be the bare
> minimum steps to get the main volume?

to answer my own question, perhaps. minimal to get volume:

snd_mixer_open
snd_mixer_attach
snd_mixer_selem_register
snd_mixer_load

for{} through the elements

if( snd_mixer_selem_is_active
if( snd_mixer_selem_has_common_volume
if( snd_mixer_selem_has_playback_volume

snd_mixer_selem_get_playback_volume

correct?
ljp

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jgotts | 2 Feb 2003 13:03

Re: PATCH] SPDIF out clock sync for via8235 / ALC650

In message <200212302130.gBULUVp24791 <at> ann-arbor.fmfts.com>, jgotts <at> linuxsavvy.c
om writes:

>I have produced a minimal patch based upon your work in CVS to get the SPDIF
>port going on A7V8X motherboards with 0.9.0rc6 until 0.9.0rc7 is released:

I'm not sure what went wrong with 0.9.0rc7, but SPDIF output still doesn't
work with my chipset.  The patch only had cosmetic changes in the 0.9.0rc7
release, so something must have been broken between the CVS tree as of December
30th and the 0.9.0rc7 release.

The line out does work...

John

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-- 
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Eloy A. Paris | 2 Feb 2003 16:59

Re: RC7 and CS46xx (GTXP)

Hi!

My Santa Cruz is not working with RC7 either, but in my case I
get no sound at all. I've traced the problem to changes that took
place in CVS between 1/21 and 1/22, probably to cs46xx_lib.c. See
http://www.mail-archive.com/alsa-devel <at> lists.sourceforge.net/msg06092.html
for the details.

Cheers,

Eloy.-

On Sat, Feb 01, 2003 at 05:00:36PM +0100, Richard Olsson wrote:
> > Something between CVS 2002-12-18 and RC7 seriously broke the amplifier
> > stuff for me on my GTXP - sound is very disorted and volume is very
> > low. It's different from the troubles RC6 gave me though.  I'd guess
> > it's the recent amplifier patch that was applied to the CS46xx driver.
> 
> Replying to my own mail, I know:)
> 
> I reverted the changes the recent amplifier patch did to cs46xx_lib.c
> and RC7 works perfectly - no warning in dmesg either.
> 
> -- 
> Richard Olsson
> flame <at> home.se
> http://www.nyo-box.net/ - http://www.aelia-studios.org/
> 
> 
> -------------------------------------------------------

(Continue reading)

Friedrich Ewaldt | 2 Feb 2003 17:22

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Picon

Re: RC7 and CS46xx (GTXP) -> Terratec XFire

Richard Olsson wrote:

>Something between CVS 2002-12-18 and RC7 seriously broke the amplifier
>stuff for me on my GTXP - sound is very disorted and volume is very low.
>It's different from the troubles RC6 gave me though.  I'd guess it's
>the recent amplifier patch that was applied to the CS46xx driver.
>
>Only oddity I see is in dmesg:
>ALSA ../../alsa-kernel/pci/cs46xx/cs46xx_lib.c:415: cs46xx: failure waiting for FIFO command to complete
>
>I'll stick to the 2002-12-18 CVS for now:)
>
>  
>
The same warning in dmesg with my Terrartec DMX XFire. But everything 
seems to work (OK) like 2002-12-09-CVS + 2003-01-05-patch. What does 
this warning mean. Should I ignore it?
TIA
 fe

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[PATCH alsa-lib] Allow specifying the max number of cards (24 May 2013)
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