[PATCH] sound: pci/rme9652 - implement and expose controls for output

[Takashi Iwai]

On Mon, 01 Feb 2021 15:28:52 +0100,
fassl wrote:
> 
> >From a9072f701f945ba00c42f612e85830395d81450d Mon Sep 17 00:00:00 2001
> From: Jasmin Fazlic <superfassl at gmail.com>
> Date: Sun, 31 Jan 2021 22:17:22 +0100
> Subject: [PATCH] sound: pci/rme9652 - hardware output loopback
> 
> Output loopback is a feature where you can record what you hear.
> The HDSP series of the RME interfaces provides this functionality
> at the hardware level and this patch exposes controls to enable or
> disable it per output (playback) channel.
> 
> This probably works on other cards but due to a lack of hardware
> it is only tested and enabled for the HDSP9632 card with this patch.
> 
> Should this patch be accepted a separate patch will be posted to
> https://github.com/alsa-project/alsa-tools/tree/master/hdspmixer
> which adds "LPBK" buttons to each ouput in the playback strip for
> the user to be able to control this feature from the user land.
> Users from Windows tool TotalMixFX should be familiar with this.
> 
> Signed-off-by: Jasmin Fazlic <superfassl at gmail.com>

Thanks, applied now with a slight modification of subject and a typo
correction in the patch description (it's always good to run
checkpatch once before submission :)


Takashi