linux-kernel - Re: [PATCH 0/5] UAC3: Add Selectors and Processing Units.

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Date:   Mon, 16 Jul 2018 16:38:45 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Jorge Sanjuan <jorge.sanjuan@...ethink.co.uk>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] UAC3: Add Selectors and Processing Units.

On Wed, 11 Jul 2018 14:37:50 +0200,
Jorge Sanjuan wrote:
> 
> This patchset is motivated by the addition of Multi Function
> Processing Units (MFPU) to an UAC3 topology where there could be
> signal processing algorithims applied to the audio signal.
> 
> The MFPUs themself don't provide any useful control, they offer a 
> description of what algorithims it supports and it is for Selector Units
> to take the bypass control of the dry (unprocessed) signal and the modified
> one. Moreover, Up/Down mixers may be needed in this topologies to control
> which outputs of the logical output cluster from the MFPU are to be passed 
> as the final modified audio signal.
> 
> These patches add support for Selector Units and Processing units for UAC3
> and adds a couple fixes that I found while implemeting them:
> 
>  1) Defualt naming of the virtual terminals was not accurate due to codes
>     overlap between the three UAC standards.
>  2) UAC2 parsing of processing units was using UAC1 controls bitmap.
> 
> Based on: next-20180711
> 
> Jorge Sanjuan (5):
>   ALSA: usb-audio: Add support for Selector Units in UAC3
>   ALSA: usb-audio: Processing Unit controls parsing in UAC2
>   ALSA: usb-audio: Add support for Processing Units in UAC3
>   ALSA: usb-audio: Unify virtual type units type to UAC3 values
>   ALSA: usb-audio: Tidy up logic for Processing Unit min/max values

Applied all five patches now.  Thanks.


Takashi