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Message-ID: <s5hfsrbwi06.wl-tiwai@suse.de>
Date: Thu, 02 Dec 2021 09:03:37 +0100
From: Takashi Iwai <tiwai@...e.de>
To: Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc: tiwai@...e.com, Jaroslav Kysela <perex@...ex.cz>,
Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>,
Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
Hui Wang <hui.wang@...onical.com>, alsa-devel@...a-project.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ALSA: hda/hdmi: Consider ELD is invalid when no SAD is present
On Thu, 02 Dec 2021 08:33:35 +0100,
Kai-Heng Feng wrote:
>
> There's a system that reports a bogus HDMI audio interface:
> $ cat eld#2.0
> monitor_present 1
> eld_valid 1
> monitor_name
> connection_type DisplayPort
> eld_version [0x2] CEA-861D or below
> edid_version [0x3] CEA-861-B, C or D
> manufacture_id 0xe430
> product_id 0x690
> port_id 0x0
> support_hdcp 0
> support_ai 0
> audio_sync_delay 0
> speakers [0xffff] FL/FR LFE FC RL/RR RC FLC/FRC RLC/RRC FLW/FRW FLH/FRH TC FCH
> sad_count 0
>
> Since playing audio is not possible without SAD, also consider ELD is
> invalid for this case.
>
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
Thanks, applied.
Takashi
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