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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=534BD57F.6000006@ladisch.de \
--to=clemens@ladisch.de \
--cc=alsa-devel@alsa-project.org \
--cc=rstorer@ntlworld.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.