All of lore.kernel.org
 help / color / mirror / Atom feed
From: Fabio Estevam <festevam@gmail.com>
To: "Maciej S. Szmigiero" <mail@maciej.szmigiero.name>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
Subject: Re: Audio on mx6q udoo
Date: Thu, 6 Oct 2016 16:01:32 -0300	[thread overview]
Message-ID: <CAOMZO5DtJG6Otw8rfZQQymsoZJ4UhB2idgDCXgWN69OMyQc_Ww@mail.gmail.com> (raw)
In-Reply-To: <57F6644F.3070500@maciej.szmigiero.name>

Hi Maciej,

On Thu, Oct 6, 2016 at 11:48 AM, Maciej S. Szmigiero
<mail@maciej.szmigiero.name> wrote:

> I assume that you tested older kernel on this board and got proper output
> there.

Yes, I tested audio on Udoo's 3.14 kernel and it plays well.

> Even if you don't get any sound is playing time correct - that is
> does for example 30 second file play for 30 seconds?
> If not then it might be DMA or sampling rate setup problem.

Yes, the timing seems to be correct.

> Is the AC'97 codec model detected correctly
> (/proc/asound/card0/codec97#0/ac97#0-0)?
> If not then it might be some problem with accessing AC'97 regs
> (like SSI clock not running).

alsamixer reports:

Chip: VIA Technologies VIA1613 rev 3.

> You can also try to revert
> http://www.spinics.net/lists/alsa-devel/msg54983.html to go back
> to RB tree register cache, maybe this will help.
>
> I have tried to run today's linux-next on my UDOO board but it crashes
> at boot somewhere in imx6q_pm_pu_power_off(), so unfortunately can't
> test it for now.

I see the same issue with 4.7.6.

Are you able to get audio working with kernel 4.7.6?

Thanks,

Fabio Estevam

  reply	other threads:[~2016-10-06 19:01 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-05 18:15 Audio on mx6q udoo Fabio Estevam
2016-10-06 14:48 ` Maciej S. Szmigiero
2016-10-06 19:01   ` Fabio Estevam [this message]
2016-10-06 22:46     ` Maciej S. Szmigiero
2016-10-06 22:59       ` Fabio Estevam
     [not found]         ` <57F6DB8F.80605@maciej.szmigiero.name>
2016-10-10 20:41           ` Fabio Estevam

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=CAOMZO5DtJG6Otw8rfZQQymsoZJ4UhB2idgDCXgWN69OMyQc_Ww@mail.gmail.com \
    --to=festevam@gmail.com \
    --cc=alsa-devel@alsa-project.org \
    --cc=mail@maciej.szmigiero.name \
    /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.