snd_ctl_add_vmaster_hook man page on OpenSuSE

snd_ctl_add_vmaster_hook man page on OpenSuSE

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SND_CTL_ADD_VMASTER_(9)	       Control/Mixer API       SND_CTL_ADD_VMASTER_(9)

NAME
       snd_ctl_add_vmaster_hook - Add a hook to a vmaster control

SYNOPSIS
       int snd_ctl_add_vmaster_hook(struct snd_kcontrol * kcontrol,
				    void (*hook) (void *private_data, int),
				    void * private_data);

ARGUMENTS
       kcontrol
	   vmaster kctl element

       hook
	   the hook function

       private_data
	   the private_data pointer to be saved

DESCRIPTION
       Adds the given hook to the vmaster control element so that it's called
       at each time when the value is changed.

RETURN
       Zero.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013	       SND_CTL_ADD_VMASTER_(9)

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