From: Richard Zhao <richard.zhao@freescale.com>
To: Shawn Guo <shawn.guo@linaro.org>
Cc: <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>, <vinod.koul@intel.com>,
<dan.j.williams@intel.com>, <linuxzsc@gmail.com>,
<shawn.guo@gmail.com>, <kernel@pengutronix.de>
Subject: Re: [PATCH 1/1] dma: imx-sdma: buf_tail should be initialize in prepare function
Date: Fri, 25 May 2012 16:09:44 +0800 [thread overview]
Message-ID: <20120525080943.GA18733@b20223-02.ap.freescale.net> (raw)
In-Reply-To: <20120524033356.GC17621@S2101-09.ap.freescale.net>
On Thu, May 24, 2012 at 11:33:58AM +0800, Shawn Guo wrote:
> On Thu, May 24, 2012 at 11:27:00AM +0800, Richard Zhao wrote:
> > > root@linaro-developer:~# aplay audio8k16S.wav
> > > Playing WAVE 'audio8k16S.wav' : Signed 16 bit Little Endian, Rate 8000 Hz, Stere
> > > o
> > > ^Z
> > > [1]+ Stopped aplay audio8k16S.wav
> > > root@linaro-developer:~# fg
> > > aplay audio8k16S.wav
> > > underrun!!! (at least 2034.382 ms long)
> > Does the audio playback recover? Without the patch, sometimes the
> > playback will have distortion and play too fast.
> >
> No, it does not recover.
Maybe it's not the same issue. It do recover on imx6q sabrelite board.
And from source code, it do be a bug.
Thanks
Richard
>
> --
> Regards,
> Shawn
>
next prev parent reply other threads:[~2012-05-25 8:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-21 12:31 Richard Zhao
2012-05-22 10:43 ` Richard Zhao
2012-05-24 3:20 ` Shawn Guo
2012-05-24 3:27 ` Richard Zhao
2012-05-24 3:33 ` Shawn Guo
2012-05-25 8:09 ` Richard Zhao [this message]
2012-05-25 8:20 ` Shawn Guo
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=20120525080943.GA18733@b20223-02.ap.freescale.net \
--to=richard.zhao@freescale.com \
--cc=dan.j.williams@intel.com \
--cc=kernel@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxzsc@gmail.com \
--cc=shawn.guo@gmail.com \
--cc=shawn.guo@linaro.org \
--cc=vinod.koul@intel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®