From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Subject: Re: [PATCH] ASoC: sgtl5000: Do not read registers
	prior to turning on the supplies
Date: Fri, 31 May 2013 19:20:01 +0200
Message-ID: <201305311920.02005.marex@denx.de>
References: <1369749858-21579-1-git-send-email-fabio.estevam@freescale.com>
 <201305311745.50326.marex@denx.de>
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To: Fabio Estevam <festevam@gmail.com>
Cc: Estevam Fabio-R49496 <r49496@freescale.com>, "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>, Mark Brown <broonie@kernel.org>
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Hi Fabio,

> On Fri, May 31, 2013 at 12:45 PM, Marek Vasut <marex@denx.de> wrote:
> > Ah, that's _very_ likely. I think the chip will NAK I2C communication
> > without having clock supplied to it. I did look into this stuff with an
> > LA yesterday night and I saw the 2-byte write followed by I2C NAK.
> 
> Yes, I haven't had a chance to try enabling the saif clock earlier and
> I am currently out of office.

Send me a patch if you have time and I'll test it.

Best regards,
Marek Vasut