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# SetPreferredChannelsForStereo

Sets the channel indices for the prefered stereo pair.

```
kern_return_t SetPreferredChannelsForStereo(uint32_t in_left_channel, uint32_t in_right_channel);
```

## Parameters

`in_left_channel`

The channel index for the left channel.

`in_right_channel`

The channel index for the right channel.

## Return Value

<doc://com.apple.documentation/documentation/DriverKit/kIOReturnSuccess> on success, or another value if an error occurs. For a list of error codes, see <doc://com.apple.documentation/documentation/DriverKit/error-codes>.

---

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