 
            
            
            
            
                28 Jul
                
                    2008
                
            
            
                28 Jul
                
                '08
                
            
            
            
        
    
                3:05 p.m.
            
        At Sun, 27 Jul 2008 12:12:25 +0100, Mark Brown wrote:
Since jack detection requires the input subsystem which may not be desired on small systems it is not built unless required by a driver that is being built. Drivers using jack detection should use a pattern like this:
config SND_FOO tristate "..." ... select SND_JACK if INPUT=y || INPUT=SND
to ensure that the jack detection API is enabled if the input subsystem is. If the input subsystem is not enabled then a stub version of the API is provided.
Would be nice to put this as a comment in sound/core/Kconfig.
thanks,
Takashi