From: Daniel Danzberger <daniel@dd-wrt.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org
Subject: Re: out of sync capture samples with MMAP on MIPS
Date: Sun, 27 May 2018 11:34:07 +0200 [thread overview]
Message-ID: <1a67f8d2-92b9-49df-849d-e7e436b828a1@dd-wrt.com> (raw)
In-Reply-To: <s5hsh6gnczj.wl-tiwai@suse.de>
On 05/25/2018 02:20 PM, Takashi Iwai wrote:> It's likely because of the cache
coherency issue on ARM.
> Currently USB-audio driver uses the buffer via vmalloc() for the
> intermediate buffer, and this may go out of sync on non-coherent arch
> like ARM.
>
> Does the patch below help? Not sure whether it works on ARM at all,
> as I've tested only on x86.
>Your patch works. I cannot reproduce the issue anymore. Thanks.
next prev parent reply other threads:[~2018-05-27 9:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-23 18:36 out of sync capture samples with MMAP on MIPS Daniel Danzberger
2018-05-25 12:20 ` Takashi Iwai
2018-05-25 12:24 ` Takashi Iwai
2018-05-27 9:34 ` Daniel Danzberger [this message]
2018-05-27 11:08 ` Takashi Iwai
2018-05-29 7:55 ` Daniel Danzberger
2018-05-29 8:02 ` Takashi Iwai
2018-05-27 11:17 ` Daniel Danzberger
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