[alsa-devel] firewire mixer interface -- was Re: [PATCH 11/11] ALSA: digi00x: apply double-oh-three algorism to multiplex PCM samples

[Damien Zammit]

On 21/03/15 00:25, Takashi Sakamoto wrote:
> Any userspace applications can destroy packet streaming which kernel
> driver starts, by transaction to streaming-related register.
> 
> In current implementation of ALSA firewire stack and Linux FireWire
> subsystem, we cannot avoid this.

Does that mean the mixer control will need root permissions to execute
in userspace because the /dev/fwX node is usually owned by root?

Damien