linux-kernel - Re: [PATCH RESEND] sst: fix missing breaks that would cause the wrong operation to execute

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Date:	Tue, 12 Apr 2016 10:35:32 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Yang Jie <yang.jie@...ux.intel.com>
Cc:	Alan <alan@...ux.intel.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND] sst: fix missing breaks that would cause the
 wrong operation to execute

On Thu, Apr 07, 2016 at 09:30:44AM +0800, Yang Jie wrote:
> 
> 
> On 2016年04月06日 21:44, Alan wrote:
> >From: Alan <gnomes@...rguk.ukuu.org.uk>
> >
> >Now we correctly error an attempt to execute an unsupported operation. The
> >current code does something else random.

Hi Alan,

Can you either send me this patch or send this to ALSA mailing list.

You might want to add the subsystem name which here should be:

ASoC: Intel: atom: fix missing breaks that would cause the wrong operation
to execute

And you can add my Ack :)

Acked-by: Vinod Koul <vinod.koul@...el.com>

Thanks
-- 
~Vinod

> >
> >Signed-off-by: Alan Cox <alan@...ux.intel.com>
> 
> I think this is nice fix. + Vinod who is the owner of the atom sound driver.
> 
> Thanks,
> ~Keyon
> 
> >---
> >  sound/soc/intel/atom/sst-mfld-platform-compress.c |    9 +++++++--
> >  1 file changed, 7 insertions(+), 2 deletions(-)
> >
> >diff --git a/sound/soc/intel/atom/sst-mfld-platform-compress.c b/sound/soc/intel/atom/sst-mfld-platform-compress.c
> >index 3951689..1bead81 100644
> >--- a/sound/soc/intel/atom/sst-mfld-platform-compress.c
> >+++ b/sound/soc/intel/atom/sst-mfld-platform-compress.c
> >@@ -182,24 +182,29 @@ static int sst_platform_compr_trigger(struct snd_compr_stream *cstream, int cmd)
> >  	case SNDRV_PCM_TRIGGER_START:
> >  		if (stream->compr_ops->stream_start)
> >  			return stream->compr_ops->stream_start(sst->dev, stream->id);
> >+		break;
> >  	case SNDRV_PCM_TRIGGER_STOP:
> >  		if (stream->compr_ops->stream_drop)
> >  			return stream->compr_ops->stream_drop(sst->dev, stream->id);
> >+		break;
> >  	case SND_COMPR_TRIGGER_DRAIN:
> >  		if (stream->compr_ops->stream_drain)
> >  			return stream->compr_ops->stream_drain(sst->dev, stream->id);
> >+		break;
> >  	case SND_COMPR_TRIGGER_PARTIAL_DRAIN:
> >  		if (stream->compr_ops->stream_partial_drain)
> >  			return stream->compr_ops->stream_partial_drain(sst->dev, stream->id);
> >+		break;
> >  	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
> >  		if (stream->compr_ops->stream_pause)
> >  			return stream->compr_ops->stream_pause(sst->dev, stream->id);
> >+		break;
> >  	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
> >  		if (stream->compr_ops->stream_pause_release)
> >  			return stream->compr_ops->stream_pause_release(sst->dev, stream->id);
> >-	default:
> >-		return -EINVAL;
> >+		break;
> >  	}
> >+	return -EINVAL;
> >  }
> >
> >  static int sst_platform_compr_pointer(struct snd_compr_stream *cstream,
> >
> >