Manual Pages for UNIX Operating System command usage for man audio_dev_register

Kernel Functions for Drivers               audio_dev_register(9F)



NAME
     audio_dev_register, audio_dev_unregister - register or unre-
     gister an audio device from the system

SYNOPSIS
     #include 

     int audio_dev_register(audio_dev_t *adev);


     int audio_dev_unregister(audio_dev_t *adev);


PARAMETERS
     adev    pointer  to   an   audio   device   allocated   with
             audio_dev_alloc(9F)


INTERFACE LEVEL
     Solaris DDI specific (Solaris DDI)

DESCRIPTION
     The audio_dev_register() function is called by the driver to
     complete  configuration of the audio device and register the
     device (along with all of its engines and controls) with the
     audio framework.


     Use of this function  also  results  in  making  the  device
     accessible  to  applications  through  the creation of minor
     nodes and other such entities.


     The audio_dev_register() function is often the last function
     called by a driver during attach(9E) processing.


     The audio_dev_unregister() function is  the  inverse  opera-
     tion,  and deregisters the device (and engines and controls)
     from the framework. However, it also  checks  to  make  sure
     that  the  device is not in use before doing so. As such, it
     is usually the first function called during detach(9E)  pro-
     cessing.

RETURN VALUES
     The audio_dev_register()  function  returns  DDI_SUCCESS  on
     success or DDI_FAILURE on failure.


     The audio_dev_unregister() function returns  DDI_SUCCESS  if
     it  unregistered successfully, or DDI_FAILURE if it did not.
     Generally, DDI_FAILURE indicates that the  audio  device  is



SunOS 5.11          Last change: 21 Apr 2010                    1






Kernel Functions for Drivers               audio_dev_register(9F)



     still in use.

CONTEXT
     These functions may only be called in user  or  kernel  con-
     text.

ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:



     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Interface Stability         | Committed                   |
    |_____________________________|_____________________________|


SEE ALSO
     attributes(5),    audio(7D),     attach(9E),     detach(9E),
     audio_dev_alloc(9F)

































SunOS 5.11          Last change: 21 Apr 2010                    2