[alsa-devel] [PATCH 0/3] Make HDMI ELD usable with hotplug

David Henningsson david.henningsson at canonical.com
Mon Feb 18 14:50:49 CET 2013

On 02/18/2013 02:35 PM, Takashi Iwai wrote:
> At Mon, 18 Feb 2013 14:11:10 +0100,
> David Henningsson wrote:
>> I'm experimenting with using ELD information in PulseAudio and found
>> that it didn't work very well with hotplugging.
>> Neither the proc file nor the ELD kcontrol was cleared correctly after
>> unplug, and there was no way (except polling) to find out when ELD
>> has become available.
> Did you try Xingchao's patch for drm/i915?  It's queued in
> drm-intel-next:
>      commit 7b9f35a6dd72f89452c58bbdbaf063027bf857ec
>      Author: Wang Xingchao <xingchao.wang at intel.com>
>      Date:   Tue Jan 22 23:25:25 2013 +0800
>      drm/i915: HDMI/DP - ELD info refresh support for Haswell

Thanks for the hint. I'm currently developing not on a Haswell machine, 
but an (I think) Arrandale that I bought a few years ago. So I guess 
this patch does not have any effect on my hw?

David Henningsson, Canonical Ltd.

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