# NNS_SndUnlockChannel

## C Specification

      #include <nnsys/snd.h>

      void NNS_SndUnlockChannel( u32 chBitFlag );

## Arguments

`chBitFlag` | The bit flag of the channel to unlock.

## Return Values

None.

## Description

Unlocks locked channels.

The channel to unlock is designated with `chBitFlag`. Channel 0, channel 1, channel 2...are displayed in order from the lower bit, and all channels with an active bit are unlocked at the same time. For example, when unlocking channel 2 and channel 5, designate (1<<2) | (1<<5), or 0x0024.

### Note

This function and the `NNS_SndLockChannel` function must be called on a one-to-one correspondence. Be aware that attempting to unlock a channel that has not been locked will result in unexpected malfunctions.

## See Also

NNS_SndLockChannel

## Revision History

10/25/2004 Initial version.