linux-kernel - Re: [PATCH V2] ASoC: SAMSUNG: Add sound card driver for Snow board

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Date:	Mon, 19 May 2014 17:36:38 +0530
From:	Tushar Behera <tushar.behera@...aro.org>
To:	Mark Brown <broonie@...nel.org>
CC:	Doug Anderson <dianders@...omium.org>, alsa-devel@...a-project.org,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-doc@...r.kernel.org,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Rob Herring <robh+dt@...nel.org>, sbkim73@...sung.com,
	Randy Dunlap <rdunlap@...radead.org>,
	Mike Turquette <mturquette@...aro.org>
Subject: Re: [PATCH V2] ASoC: SAMSUNG: Add sound card driver for Snow board

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On 05/02/2014 10:26 PM, Mark Brown wrote:
> On Fri, May 02, 2014 at 10:26:08AM +0530, Tushar Behera wrote:
>> On 05/01/2014 10:10 PM, Mark Brown wrote:
> 
>>> There's patches been posted by (IIRC) Sylvester Nawrocki for
>>> this which I think Mike was basically happy with - I don't
>>> immediately see them in -next though, but I may be looking in
>>> the wrong place.
> 
>> Right, there are some patches from Sylwester regarding this. I
>> dont' think the patches are accepted yet as Rob has some
>> reservations against the clock parents.
> 
>> https://lkml.org/lkml/2014/4/9/173
> 
> Well, OK - that's the bit to fix.  Speaking to Mike the other day
> he said there was also another competing implementation of this.
> 

Instead of setting the parent clock, setting the desired rate on
XCLKOUT works for audio playback.

Will it be okay to do a 'clk_set_rate(mclk, 24000000)' in sound card
driver or should we wait for Sylwester's patch to get merged?

- -- 
Tushar Behera
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