[ALSA - utils 0002173]: alsamixer ignores errors from setting mixer controls

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A NOTE has been added to this issue.
======================================================================
<https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2173> 
======================================================================
Reported By:                Johannes Berg
Assigned To:                
======================================================================
Project:                    ALSA - utils
Issue ID:                   2173
Category:                   alsamixer
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
======================================================================
Date Submitted:             05-30-2006 16:06 CEST
Last Modified:              06-01-2006 03:53 CEST
======================================================================
Summary:                    alsamixer ignores errors from setting mixer controls
Description: 
I have a driver that, under special circumstances, returns -EBUSY from a
_put call for a control.
alsamixer, however, ignores that and displays the control as toggled
anyway, which is misleading.
======================================================================

----------------------------------------------------------------------
 Raymond - 06-01-06 03:53 
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If the control is specific to a PCM stream, the control should use 
SNDRV_CTL_ELEM_IFACE_PCM instead of SNDRV_CTL_ELEM_IFACE_MIXER.

The value will save/restore by alsactl but the control will not appear in
alsamixer

Issue History
Date Modified  Username       Field                    Change              
======================================================================
05-30-06 16:06 Johannes Berg  New Issue                                    
06-01-06 03:53 Raymond        Note Added: 0010039                          
======================================================================




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