From mboxrd@z Thu Jan  1 00:00:00 1970
From: Barry Scott <barry.scott@onelan.co.uk>
Subject: Re: Alsa v1.0.12rc1 Realtek ALC260 PCM missing at boot
Date: Tue, 27 Jun 2006 15:22:30 +0100
Message-ID: <44A13F26.7030208@onelan.co.uk>
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To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@lists.sourceforge.net
List-Id: alsa-devel@alsa-project.org

Takashi Iwai wrote:
> At Tue, 27 Jun 2006 15:12:46 +0100,
> Barry Scott wrote:
>   
>> Takashi Iwai wrote:
>>     
>>> At Tue, 27 Jun 2006 12:54:05 +0100,
>>> Barry Scott wrote:
>>>   
>>>       
>>>> I'm using 21.6.17.1 with v1.0.12rc1 drivers, libs and utils on FC4.
>>>> alsamixer reports that the Chip is Realtek ALC260.
>>>>
>>>> Both amixer and alsamixer show that the PCM control is missing after 
>>>> booting.
>>>> After playing a wav file with aplay the PCM control shows up in both
>>>> amixer and alsamixer.
>>>>
>>>> Is there something I need to configure or is this a bug in1.0.12rc1?
>>>>     
>>>>         
>>> The PCM volume is added dynamically by alsa-lib softvol plugin.
>>> Usually your system stores/restores the mixer status so that the PCM
>>> volume reappears again at the next boot.
>>>
>>>
>>> Takashi
>>>   
>>>       
>> What is it that I need to setup to turn on the PCM? The "system" is me 
>> and this
>> is a new setup requirement that I have not seen before.
>>     
>
> "alsactl store" at shutdown and "alsactl restore" at boot will recover
> the last mixer status.  This also automatically recovers the
> user-space element like "PCM".
>
> How the call of alsactl is implement depends on the distro.
> (E.g. via udev or init script or modprobe hook)
>
>
> Takashi
>   
The piece of information I'm missing is how to add PCM in the first place.
What command do I need to issue to add PCM?

Barry


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