1SND_CTL_ADD_VMASTER_(9)        Control/Mixer API       SND_CTL_ADD_VMASTER_(9)
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NAME

6       snd_ctl_add_vmaster_hook - Add a hook to a vmaster control
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SYNOPSIS

9       int snd_ctl_add_vmaster_hook(struct snd_kcontrol * kcontrol,
10                                    void (*hook) (void *private_data, int),
11                                    void * private_data);
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ARGUMENTS

14       kcontrol
15           vmaster kctl element
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17       hook
18           the hook function
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20       private_data
21           the private_data pointer to be saved
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DESCRIPTION

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

28       Zero.
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31Kernel Hackers Manual 3.10         June 2019           SND_CTL_ADD_VMASTER_(9)
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