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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Troy Kisky <troy.kisky@boundarydevices.com>
Cc: avm@ti.com, davinci-linux-open-source@linux.davincidsp.com,
	alsa-devel@alsa-project.org
Subject: Re: [PATCH 1/3] ASoC: DaVinci: i2s, reduce underruns	by combining into 1 element
Date: Tue, 1 Sep 2009 22:22:24 +0100	[thread overview]
Message-ID: <20090901212224.GA27078@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <4A9D871A.0@boundarydevices.com>

On Tue, Sep 01, 2009 at 01:42:02PM -0700, Troy Kisky wrote:
> Mark Brown wrote:

> >> is using the same TC. But sram isn't on by default either. And probably shouldn't
> >> be since the newer chips don't have an underrun problem.

> > Hrm, that suggests that if it's enabled at all the default should depend
> > on the chip in use?

> That seems unnecessarily complex to me. As long as platform data can
> specify what you need, you'll eventually get it right. If tracking of
> an object is always wrong because of a channel swap, that is easier
> to notice, and debug, and fix, then if the tracking is only occasionally
> wrong. I'd much rather have a repeatable bug. And most codecs do allow
> you to swap the left and right channels. So, for most people, the fix
> will not be to disable channel combining.

My thinking was that if the newer chips don't have the underrun issue at
all then it seems like a bad move to enable the workaround for them
since they're currently fine.  There should be no intermittent problems
if the underrun issue isn't present.

  reply	other threads:[~2009-09-01 21:22 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-31 23:31 [PATCH 1/3] ASoC: DaVinci: i2s, reduce underruns by combining into 1 element Troy Kisky
2009-08-31 23:31 ` [PATCH 2/3] ASoC: DaVinci: pcm, rename variables in prep for ping/pong Troy Kisky
2009-08-31 23:31   ` [PATCH 3/3] ASoC: DaVinci: pcm, fix underrun by using sram Troy Kisky
2009-09-02 22:01   ` [PATCH 2/3] ASoC: DaVinci: pcm, rename variables in prep for ping/pong Mark Brown
2009-09-03  0:15     ` Troy Kisky
2009-09-03 12:17       ` Mark Brown
     [not found]       ` <4A9F0A8C.1040509-Q5RJGjKts06CY9SHAMCTRUEOCMrvLtNR@public.gmane.org>
2009-09-03 16:43         ` [alsa-devel] " Nori, Sekhar
2009-09-03 18:55           ` Troy Kisky
     [not found]             ` <4AA0113D.9030605-Q5RJGjKts06CY9SHAMCTRUEOCMrvLtNR@public.gmane.org>
2009-09-09 12:08               ` [alsa-devel] " Nori, Sekhar
     [not found]                 ` <B85A65D85D7EB246BE421B3FB0FBB59301DD74F519-/tLxBxkBPtCIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2009-09-09 12:33                   ` Caglar Akyuz
     [not found]                     ` <200909091533.58702.caglarakyuz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2009-09-09 13:05                       ` Nori, Sekhar
     [not found]                         ` <B85A65D85D7EB246BE421B3FB0FBB59301DD74F59E-/tLxBxkBPtCIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2009-09-09 13:22                           ` Narnakaje, Snehaprabha
2009-09-09 13:28                             ` Mark Brown
2009-09-29 10:46                   ` [alsa-devel] " Nori, Sekhar
     [not found]                     ` <B85A65D85D7EB246BE421B3FB0FBB59301DDAB3EB5-/tLxBxkBPtCIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2009-09-29 15:21                       ` Mani, Arun
     [not found]                         ` <7A436F7769CA33409C6B44B358BFFF0C012A458365-EovWT4A8QTWIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2009-10-01 18:13                           ` Nori, Sekhar
     [not found]                             ` <B85A65D85D7EB246BE421B3FB0FBB59301DDB71445-/tLxBxkBPtCIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2009-10-01 18:46                               ` Steve Chen
2009-09-29 22:09                     ` Troy Kisky
     [not found]                       ` <4AC28588.9030802-Q5RJGjKts06CY9SHAMCTRUEOCMrvLtNR@public.gmane.org>
2009-09-29 22:25                         ` [alsa-devel] " Steve Chen
2009-09-29 22:31                           ` Troy Kisky
     [not found]                             ` <4AC28AD0.7000600-Q5RJGjKts06CY9SHAMCTRUEOCMrvLtNR@public.gmane.org>
2009-09-29 23:24                               ` [alsa-devel] " Steve Chen
2009-09-03 19:06   ` David Brownell
2009-09-03 19:24     ` Troy Kisky
2009-09-03 21:36       ` David Brownell
2009-09-03 22:38         ` Troy Kisky
2009-09-01 10:53 ` [PATCH 1/3] ASoC: DaVinci: i2s, reduce underruns by combining into 1 element Mark Brown
2009-09-01 18:23   ` Troy Kisky
2009-09-01 19:03     ` Mark Brown
2009-09-01 19:19       ` Troy Kisky
2009-09-01 20:28         ` Mark Brown
2009-09-01 20:42           ` Troy Kisky
2009-09-01 21:22             ` Mark Brown [this message]
2009-09-01 21:34               ` Troy Kisky

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