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

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