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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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