From: Clemens Ladisch <clemens@ladisch.de>
To: Richard Storer <rstorer@ntlworld.com>, alsa-devel@alsa-project.org
Subject: Re: snd-usb-audio issues??
Date: Mon, 14 Apr 2014 14:33:03 +0200 [thread overview]
Message-ID: <534BD57F.6000006@ladisch.de> (raw)
In-Reply-To: <CAA0fz9ZctzKNpcMCqR==rDdnGAk6yLf2Or_z=zi4XG7-QcHBmQ@mail.gmail.com>
Richard Storer wrote:
> My first issue is for some reason booting Linux with my device already
> attached to the USB port produces no audio output, however capture is
> functioning.
> I've tried mute, unmute via alsamixer but it seems like the amplifier
> circuit inside hasn't turned itself on properly.
> The cure for this (and 100% reproducible) would be to unplug / replug
> the USB cable or simply connect to USB after Linux has fully loaded.
Are there any mixer controls that have a different value in these
situations? (See the output of "amixer scontents" for your device.)
> While Line-In capture does function on this device the signal levels
> are extremely low.
> Unfortunately there is no Line-In mixer control for my device
What is the output of "amixer scontents" for your device?
Regards,
Clemens
next prev parent reply other threads:[~2014-04-14 12:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-14 11:28 snd-usb-audio issues?? Richard Storer
2014-04-14 12:33 ` Clemens Ladisch [this message]
2014-04-14 12:50 ` Richard Storer
2014-04-14 12:54 ` Clemens Ladisch
2014-04-14 13:06 ` Richard Storer
2014-04-14 13:26 ` Clemens Ladisch
2014-04-14 13:43 ` Takashi Iwai
2014-04-14 13:51 ` Richard Storer
2014-04-14 14:40 ` Richard Storer
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