Hi,
On Apr 20 2016 23:31, Allan Klinbail wrote:
Using kernel 4.4.0 from Ubuntu
The ALSA driver limited the device to only 16 inputs and outputs, however it has a total capability of 26 This is comprises of 16 inputs and outputs on the desk channels, a stereo main pair of outputs and inputs for the master bus 8 additional ins and outs to support the ADAT ports on the back (availoable in 44.1 and 48 khz modes, but not 88.2 or 96 Khz
This is fixed in Linux kernel 4.6. http://mailman.alsa-project.org/pipermail/alsa-devel/2016-March/105462.html
The backported codes are available in my private repository. After installing, You can see two PCM character devices to handle these PCM channels. https://github.com/takaswie/snd-firewire-improve
To clarify the capabilities of your model, please show me output of proc node, like
$ cat /proc/asound/card1/dice sections: global: offset 10, size 95 tx: offset 105, size 142 ...
Regards
Takashi Sakamoto