Re: Two devices don't show up in Core Audio
Re: Two devices don't show up in Core Audio
- Subject: Re: Two devices don't show up in Core Audio
- From: Jeff Moore <email@hidden>
- Date: Tue, 12 Mar 2002 11:04:41 -0800
on 3/11/02 7:07 PM, Cameron Jones <email@hidden> wrote:
>
When I plug in two of my USB Audio Devices, only one shows up in HAL. They
>
both operate OK and talk correctly through my custom IOUserClients.
>
>
Is there any trick to getting two identical drivers to show up in HAL? Do
>
they have to have different GUIDs or something?
That's why it's a called a globally unique ID. Every IOAudioEngine has to
have one or else the HAL can't distinguish it from the other instance of the
driver.
--
Jeff Moore
Core Audio
Apple
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