From: Marek Vasut <marex-ynQEQJNshbs@public.gmane.org>
To: Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Detlev Zundel" <dzu-ynQEQJNshbs@public.gmane.org>,
"Dong Aisheng" <b29396-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
"Fabio Estevam"
<fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
"Linux ARM kernel"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
"Sascha Hauer" <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
"Stefano Babic" <sbabic-ynQEQJNshbs@public.gmane.org>,
"Uwe Kleine-König"
<u.kleine-koenig-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
"Wolfgang Denk" <wd-ynQEQJNshbs@public.gmane.org>,
"Wolfram Sang" <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Subject: Re: [PATCH 1/2 V3] MXS: Set I2C timing registers for mxs-i2c
Date: Wed, 27 Jun 2012 03:30:31 +0200 [thread overview]
Message-ID: <201206270330.31669.marex@denx.de> (raw)
In-Reply-To: <201206111254.21766.marex-ynQEQJNshbs@public.gmane.org>
Dear Shawn Guo,
> > On Sat, Jun 09, 2012 at 01:45:50PM +0200, Marek Vasut wrote:
> > > This patch configures the I2C bus timing registers according
> > > to information passed via DT. Currently, 100kHz and 400kHz
> > > modes are supported.
> > >
> > > Signed-off-by: Marek Vasut <marex-ynQEQJNshbs@public.gmane.org>
> >
> > I gave it a test on imx28-evk board with audio playback. It seems
> > the patch makes the first time playback non-functional, but the later
> > playback is still working.
>
> Any hints what can be the source of this issue? I tested it with i2c
> eeprom, saw no issues in there. I'll poke into it later.
Ok, I managed to replicate it just now. Scrap my previous email.
Still, any idea what can cause this?
Best regards,
Marek Vasut
WARNING: multiple messages have this Message-ID (diff)
From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2 V3] MXS: Set I2C timing registers for mxs-i2c
Date: Wed, 27 Jun 2012 03:30:31 +0200 [thread overview]
Message-ID: <201206270330.31669.marex@denx.de> (raw)
In-Reply-To: <201206111254.21766.marex@denx.de>
Dear Shawn Guo,
> > On Sat, Jun 09, 2012 at 01:45:50PM +0200, Marek Vasut wrote:
> > > This patch configures the I2C bus timing registers according
> > > to information passed via DT. Currently, 100kHz and 400kHz
> > > modes are supported.
> > >
> > > Signed-off-by: Marek Vasut <marex@denx.de>
> >
> > I gave it a test on imx28-evk board with audio playback. It seems
> > the patch makes the first time playback non-functional, but the later
> > playback is still working.
>
> Any hints what can be the source of this issue? I tested it with i2c
> eeprom, saw no issues in there. I'll poke into it later.
Ok, I managed to replicate it just now. Scrap my previous email.
Still, any idea what can cause this?
Best regards,
Marek Vasut
next prev parent reply other threads:[~2012-06-27 1:30 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-09 11:45 [PATCH 1/2 V3] MXS: Set I2C timing registers for mxs-i2c Marek Vasut
2012-06-09 11:45 ` Marek Vasut
[not found] ` <1339242351-8797-1-git-send-email-marex-ynQEQJNshbs@public.gmane.org>
2012-06-09 11:45 ` [PATCH 2/2 V2] MXS: Implement DMA support into mxs-i2c Marek Vasut
2012-06-09 11:45 ` Marek Vasut
2012-06-10 11:53 ` [PATCH 1/2 V3] MXS: Set I2C timing registers for mxs-i2c Marek Vasut
2012-06-10 11:53 ` Marek Vasut
[not found] ` <201206101353.06018.marex-ynQEQJNshbs@public.gmane.org>
2012-06-11 7:30 ` Shawn Guo
2012-06-11 7:30 ` Shawn Guo
[not found] ` <20120611073036.GG2552-rvtDTF3kK1ictlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2012-06-11 10:53 ` Marek Vasut
2012-06-11 10:53 ` Marek Vasut
[not found] ` <201206111253.17314.marex-ynQEQJNshbs@public.gmane.org>
2012-06-11 14:42 ` Shawn Guo
2012-06-11 14:42 ` Shawn Guo
[not found] ` <20120611144237.GI2552-rvtDTF3kK1ictlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2012-06-23 18:19 ` Marek Vasut
2012-06-23 18:19 ` Marek Vasut
2012-06-11 6:39 ` Shawn Guo
2012-06-11 6:39 ` Shawn Guo
[not found] ` <20120611063903.GD2552-rvtDTF3kK1ictlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2012-06-11 10:54 ` Marek Vasut
2012-06-11 10:54 ` Marek Vasut
[not found] ` <201206111254.21766.marex-ynQEQJNshbs@public.gmane.org>
2012-06-27 1:30 ` Marek Vasut [this message]
2012-06-27 1:30 ` Marek Vasut
[not found] ` <201206270330.31669.marex-ynQEQJNshbs@public.gmane.org>
2012-06-27 2:13 ` Shawn Guo
2012-06-27 2:13 ` Shawn Guo
[not found] ` <20120627021336.GA9787-rvtDTF3kK1ictlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2012-06-27 2:34 ` Marek Vasut
2012-06-27 2:34 ` Marek Vasut
2012-06-23 18:47 ` Marek Vasut
2012-06-23 18:47 ` Marek Vasut
[not found] ` <201206232047.33228.marex-ynQEQJNshbs@public.gmane.org>
2012-06-25 15:43 ` Shawn Guo
2012-06-25 15:43 ` Shawn Guo
[not found] ` <20120625154354.GC2342-rvtDTF3kK1ictlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2012-06-25 16:02 ` Marek Vasut
2012-06-25 16:02 ` Marek Vasut
2012-06-27 1:15 ` Marek Vasut
2012-06-27 1:15 ` Marek Vasut
-- strict thread matches above, loose matches on Subject: below --
2012-07-09 16:22 Marek Vasut
2012-07-09 16:22 ` Marek Vasut
[not found] ` <1341850974-11977-1-git-send-email-marex-ynQEQJNshbs@public.gmane.org>
2012-07-13 8:07 ` Wolfram Sang
2012-07-13 8:07 ` Wolfram Sang
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