linux-kernel - Re: [PATCH 1/1] ASoC: soc_compress: Add set

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Date:	Mon, 2 Dec 2013 11:55:07 +0000
From:	Richard Fitzgerald <rf@...nsource.wolfsonmicro.com>
To:	Vinod Koul <vinod.koul@...el.com>
Cc:	broonie@...nel.org, lgirdwood@...il.com, perex@...ex.cz,
	tiwai@...e.de, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, ckeepax@...nsource.wolfsonmicro.com
Subject: Re: [PATCH 1/1] ASoC: soc_compress: Add set_metadata

On Thu, Nov 28, 2013 at 11:49:43AM +0530, Vinod Koul wrote:
> On Mon, Nov 25, 2013 at 10:16:48AM +0000, Richard Fitzgerald wrote:
> > 
> > Pass the set_metadata() calls through to the codec driver.
> > 
> > Signed-off-by: Zhao Weijia <weijia.zhao@...elabs.com>
> > Signed-off-by: Richard Fitzgerald <rf@...nsource.wolfsonmicro.com>
> > ---
> >  sound/soc/soc-compress.c |   18 +++++++++++++++++-
> >  1 files changed, 17 insertions(+), 1 deletions(-)
> > 
> > diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
> > index 53c9ecd..186802b 100644
> > --- a/sound/soc/soc-compress.c
> > +++ b/sound/soc/soc-compress.c
> > @@ -318,6 +318,21 @@ static int soc_compr_pointer(struct snd_compr_stream *cstream,
> >  	mutex_unlock(&rtd->pcm_mutex);
> >  	return 0;
> >  }
> > +static int soc_compr_set_metadata(struct snd_compr_stream *cstream,
> > +			struct snd_compr_metadata *metadata)
> > +{
> > +	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
> > +	struct snd_soc_platform *platform = rtd->platform;
> > +
> > +	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
> > +
> > +	if (platform->driver->compr_ops && platform->driver->compr_ops->set_metadata)
> > +		 platform->driver->compr_ops->set_metadata(cstream, metadata);
> > +
> > +	mutex_unlock(&rtd->pcm_mutex);
> > +	return 0;
> > +}
> > +
> >  
> >  static int soc_compr_copy(struct snd_compr_stream *cstream,
> >  			  char __user *buf, size_t count)
> > @@ -372,7 +387,8 @@ static struct snd_compr_ops soc_compr_ops = {
> >  	.pointer	= soc_compr_pointer,
> >  	.ack		= soc_compr_ack,
> >  	.get_caps	= soc_compr_get_caps,
> > -	.get_codec_caps = soc_compr_get_codec_caps
> > +	.get_codec_caps = soc_compr_get_codec_caps,
> > +	.set_metadata = soc_compr_set_metadata,
> Sorry am confused by this and the patch description? The set_metadata call
> exists so how is this propogating to codec? Also which tree has this been
> generated against?
> 
> --
> ~Vinod
> -- 

My fault. I was sure I checked against broonie's for-next and these function were missing, but I must have checked 
against something old. Patch abandoned!
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