linux-kernel - Re: [alsa-devel] [PATCH] ASoC: fsl_spdif: Don't try to round-up for clock divisor calculation

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Date:	Tue, 26 May 2015 19:02:48 +0800
From:	Zidan Wang <zidan.wang@...escale.com>
To:	Nicolin Chen <nicoleotsuka@...il.com>
CC:	Fabio Estevam <festevam@...il.com>,
	Mark Brown <broonie@...nel.org>,
	"Fabio Estevam" <fabio.estevam@...escale.com>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [alsa-devel] [PATCH] ASoC: fsl_spdif: Don't try to round-up for
 clock divisor calculation

On Mon, May 25, 2015 at 08:24:25AM -0700, Nicolin Chen wrote:
> On Mon, May 25, 2015 at 12:13:45PM -0300, Fabio Estevam wrote:
> > Hi Nicolin,
> > 
> > On Mon, May 25, 2015 at 12:11 PM, Nicolin Chen <nicoleotsuka@...il.com> wrote:
> > 
> > > Hi Mark,
> > >
> > > Is that possible for you to provisionally revert this patch?
> > > I wanted to wait for the test result from Fabio or Zidan in
> > > the Cc list because I don't have a test environment for SPDIF
> > > even though this change seems to make sense.
> > 
> > I currently don't have access to a SPDIF receiver to test it.
> 
> Okay, let's wait for Zidan then. We only need to test the
> playback route of supporting sample rates.
> 
> Thanks
> Nicolin
I don't have the board which supported by community to test spdif out. So i used the imx7 board
and test it with internal branch.
I found that (txclk_df + 1) is better than txclk_df.
I suspect the patch for clk_round_rate() is not in our branch. Could you please tell me which
patch is for clk_round_rate? I want to cherry-pick it to our branch and test it.

Best Regards,
Zidan Wang
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