From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dirk Behme <dirk.behme@de.bosch.com>
Subject: Re: Audio L/R Channel Interchanges ( Solved!)
Date: Thu, 24 Nov 2005 18:14:04 +0100
Message-ID: <4385F4DC.2040503@de.bosch.com>
References: <c43be92d0511182105h6bb9f274q62925dcef7b59ca8@mail.gmail.com>
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To: Ajaya Babu Anne <anneajaya@gmail.com>
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List-Id: linux-omap@vger.kernel.org

Ajaya Babu Anne wrote:
> Yes ! Perhaps this is manifested in L/R channel Interchange problem, Audio (
> OSS ) driver omap-audio-dma-intfc.c When Audio stream underflow's it does
> not stop the McBSP interface and it continues to underflow. Once data is
> there audio driver start dma chian gain, however McBSP is still in
> operation.
> 
> I have a quick hack to it
> 
> if (!s->started) {
> 
> s->hw_stop_stream( ); /* stops McBSP Interface */
> omap_start_dma(channel);
> s->started = 1;
> s->hw_start_stream( ); /* start McBSP interface */
> 
> }


Just want to test this because of issues with DMA and ALSA driver. But I 
can't find what is behind

s->hw_stop_stream( );
s->hw_start_stream( );

Any hint or even better a patch?

Many thanks

Dirk