linux-kernel - Re: Problems with simple-card

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Message-ID: <20140115185055.GK15567@sirena.org.uk>
Date:	Wed, 15 Jan 2014 18:50:55 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Jean-Francois Moine <moinejf@...e.fr>
Cc:	Xiubo Li <Li.Xiubo@...escale.com>, lgirdwood@...il.com,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Subject: Re: Problems with simple-card

On Wed, Jan 15, 2014 at 07:18:31PM +0100, Jean-Francois Moine wrote:
> Xiubo,

Adding Morimoto-san.

> I did a mistake in the v1 of my 'ASoC: simple-card: simplify code': I
> did not initialize the pointer to the asoc_simple_card_dai_init()
> function when DT. Then, I fixed that, and the simple card does not work
> for me.
> 
> First, without any 'format' in the DT, I get a fmt for each CPU / CODEC
> DAI: SND_SOC_DAIFMT_CBS_CFS is always set. Well, some code is executed
> for nothing, but this is not critical.
> 
> The main problem is about sysclk: when there is no clock in the DT,
> you get the clock of the CPU or CODEC DAI. In my system, two clocks
> are declared in the controller CPU DAI, but there is no .set_sysclk
> pointer. So, snd_soc_dai_set_sysclk() returns -EINVAL and the card is
> not created.
> 
> As I don't know why you need these fmt and sysclk, may you have a
> look at these problems?
> 
> -- 
> Ken ar c'hentañ	|	      ** Breizh ha Linux atav! **
> Jef		|		http://moinejf.free.fr/
> 

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