From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@kernel.org>
Subject: Re: [RFC v2 6/6] ASoC: hdmi-codec: Use HDMI
 notifications to add jack support
Date: Fri, 8 Jan 2016 12:55:34 +0000
Message-ID: <20160108125534.GN6588@sirena.org.uk>
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To: Russell King - ARM Linux <linux@arm.linux.org.uk>
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On Fri, Jan 08, 2016 at 10:46:23AM +0000, Russell King - ARM Linux wrote:

> Given that, I'd like to throw in here another detail: iirc, i915's
> HDMI exports the ELD to userspace via a control called "ELD" - see
> eld_bytes_ctl in sound/pci/hda/patch_hdmi.c.  This allows userspace
> to monitor, and read the ELD including which compressed audio formats
> are supported.  I'm not currently aware of anything that makes use of
> this, but as there is this precedent for exporting this information,
> maybe it should become a standard way, so that video playback
> applications can then select an appropriate audio stream depending on
> the current properties of the connected device?

That makes sense to me.

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