[alsa-devel] [PATCH v4 0/4] ALSA: usb: UAC3 new features.

Takashi Iwai tiwai at suse.de
Tue May 15 07:38:18 CEST 2018


On Fri, 11 May 2018 17:25:33 +0200,
Jorge Sanjuan wrote:
> 
> v4 Updates:
>  - Removes already applied patch from v2 of this patchset.
>  - Adds small patch to parse Feature Unit number of channels.
>  - Rebased onto latest linux-next tag as today.
> 
> Now that the UAC3 patch [1] has made it to linux-next I have some extra
> features to make a UAC3 devices fully work in Linux. Including Jack 
> insertion control that I have put on top of this other patch [2] for 
> UAC2. Also adding support for the UAC3 Mixer Unit which is most likely
> to appear in most headset type devices.
> 
> UAC3 devices also require to have a Basic Audio Device (BADD) in a separate 
> config for which both Ruslan Bilovol and myself have submited different 
> approaches[3][4]. After an ongoing discussion between Ruslan and myself
> we have decided that the patch from Ruslan[3] implements a simpler and
> yet more robust BADD driver.
> 
> All this features are tested with an actual UAC3 device that is still in
> development. For this patch series, only the legacy config (#1. UAC1/UAC2)
> and the UAC3 config have been tested. The BADD config will come in
> a different patch from Ruslan.
> 
> [1]: https://patchwork.kernel.org/patch/10298179/
> [2]: https://patchwork.kernel.org/patch/10305847/
> [3]: https://patchwork.kernel.org/patch/10340851/
> [4]: https://www.spinics.net/lists/alsa-devel/msg71617.html
> 
> Based on linux-next tag: next-20180510
> 
> Jorge Sanjuan (4):
>   ALSA: usb-audio: UAC3. Add support for mixer unit.
>   ALSA: usb-audio: Use Class Specific EP for UAC3 devices.
>   ALSA: usb-audio: UAC3 Add support for connector insertion.
>   ALSA: usb-audio: UAC3: Parse Input Terminal number of channels.

OK, now I applied all four patches.  The patch 2 was queued to
for-linus branch while others to for-next.  The patch 4 was taken from
the revised v4.


Thanks!

Takashi


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