[PATCH 0/6] ALSA: fireface: add support for Fireface 802 and UFX

[Takashi Iwai]

On Sun, 10 May 2020 09:42:55 +0200,
Takashi Sakamoto wrote:
> 
> Hi,
> 
> Fireface 802 was shipped by RME GmbH in 2014. This model is one of latter
> models of Fireface series and support both of IEEE 1394 bus and USB.
> Furthermore, it supports two types of remote control unit (Basic
> Remote and Advanced Remote Control) with by 9pin mini-din connector.
> 
> This patchset adds support for this model as a part of devices available
> by ALSA firewire stack (therefore it's not a device of USB). Userspace
> applications can transfer PCM frames and MIDI messages via ALSA PCM
> and Rawmidi interfaces.
> 
> Fireface UFX is also supported since its internal design is almost the
> same as Fireface 802 in a point of packet communication. The support is
> untested and the status is 'request for test'.
> 
> As well as the other models of RME Fireface series, audio output
> includes periodical hissing noise. This is not solved yet.
> 
> Furthermore, capture of MIDI messages requires assist of userspace
> application. For the detail, please read comment in
> 'sound/firewire/fireface/ff-protocol-latter.c'.
> 
> Regards
> 
> Takashi Sakamoto (6):
>   ALSA: fireface: fix configuration error for nominal sampling transfer
>     frequency
>   ALSA: fireface: start IR context immediately
>   ALSA: fireface: code refactoring to add enumeration constants for
>     model identification
>   ALSA: fireface: code refactoring for name of sound card
>   ALSA: fireface: add support for RME FireFace 802
>   ALSA: fireface: add support for Fireface UFX (untested)

Would you like me merging the patches although at least one of them is
marked untested?  The code changes look reasonable, so I have no
problem to applying patches themselves to 5.8 branch.


thanks,

Takashi