From: Akio <akioolin@gmail.com>
To: alsa-devel@alsa-project.org
Subject: Re: about sound/core/pcm_lib.c:1997: capture read error (DMA or IRQ trouble?)
Date: Tue, 2 Oct 2007 11:37:24 +0000 (UTC) [thread overview]
Message-ID: <loom.20071002T113246-759@post.gmane.org> (raw)
In-Reply-To: 1191324230.918.1213682039@webmail.messagingengine.com
> > so the unit is samples not frames. does snd_pcm_prepare will reset
> > the counter or not?
>
> You said that snd_pcm_prepare() returns -EIO, so I guess the driver
> does not.
you mean the drivers doesn't work very well when snd_pcm_prepare called.
> > my platform is Freescale i.mx27 TO1, the audio driver is come from Freescale.
> Then I'd suggest you'd ask Freescale.
thank you very much. I'll ask Freescale to clarify this problem.
> In any case I cannot help you if you don't tell me where to find the
> source code of the driver.
Actually I can give the driver. How do I give you the file?
thank you very much.
Best Regards,
akio
next prev parent reply other threads:[~2007-10-02 11:38 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-26 3:28 about sound/core/pcm_lib.c:1997: capture read error (DMA or IRQ trouble?) Akio
2007-09-26 6:24 ` Clemens Ladisch
2007-09-27 4:31 ` Akio
2007-09-27 7:14 ` Clemens Ladisch
2007-09-28 15:23 ` Akio
2007-10-01 6:49 ` Clemens Ladisch
2007-10-02 10:58 ` Akio
2007-10-02 11:23 ` Clemens Ladisch
2007-10-02 11:37 ` Akio [this message]
2007-10-04 4:50 ` Akio
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