linux-kernel - Re: [PATCH v2 1/2] dt-bindings: sound: Add DT bindings for Broadcom Cygnus audio

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Date:	Wed, 4 Nov 2015 14:07:46 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Simran Rai <ssimran@...adcom.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Lori Hikichi <lhikichi@...adcom.com>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	bcm-kernel-feedback-list@...adcom.com,
	linux-kernel@...r.kernel.org,
	Arun Parameswaran <arunp@...adcom.com>,
	alsa-devel@...a-project.org
Subject: Re: [PATCH v2 1/2] dt-bindings: sound: Add DT bindings for Broadcom
 Cygnus audio

On Mon, Nov 02, 2015 at 02:11:23PM -0800, Simran Rai wrote:

> +- channel-group: Surround sound grouping that controls which channel
> +  outputs belong to a group, specifically useful in Multi-channel
> +  Interfaces grouping of serial port. In multi-channel stereo, use
> +  "2_0", in 3.1 multi-channel grouping, use "3_1" and in 5.1
> +  multi-channel grouping, use "5_1".

I don't really understand what this means or why this is not runtime
configured.

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