snd_ctl_sync_vmaster
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## Name

snd_ctl_sync_vmaster — Sync the vmaster slaves and hook

## Synopsis

`void snd_ctl_sync_vmaster (` | struct snd_kcontrol * kcontrol,
| bool hook_only`)`;

## Arguments

`kcontrol`

  vmaster kctl element

`hook_only`

  sync only the hook

## Description

Forcibly call the put callback of each slave and call the hook function to synchronize with the current value of the given vmaster element. NOP when NULL is passed to `kcontrol`.

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