From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: External sound card issue
Date: Mon, 20 Jan 2014 13:45:26 +0100
Message-ID: <52DD1A66.9050909@ladisch.de>
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To: Ionica Bizau <bizauionica@gmail.com>, alsa-devel@alsa-project.org
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Ionica Bizau wrote:
> I have just bought an external sound card: Asus Xonar U7
>
>     cannot load mixer controls: Broken pipe

This looks like a bug in the device's firmware.

Can you at least read the list of controls ("amixer -c1 controls")?
Are there some controls that you are able to access (try
"amixer -c1 cget name='xxx'" for each one)?


Regards,
Clemens