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52 lines
1.5 KiB
Diff
52 lines
1.5 KiB
Diff
From a319c6c1a5661af2014b98cd0a02526e7f2f515a Mon Sep 17 00:00:00 2001
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From: Matthias Reichl <hias@horus.com>
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Date: Sat, 9 Sep 2023 13:46:33 +0200
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Subject: [PATCH 0843/1016] ASoC: hdmi-codec: Fix broken channel map reporting
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Commit 4e0871333661 ("ASoC: hdmi-codec: fix channel info for
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compressed formats") accidentally changed hcp->chmap_idx from
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ca_id, the CEA channel allocation ID, to idx, the index to
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the table of channel mappings ordered by preference.
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This resulted in wrong channel maps being reported to userspace,
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eg for 5.1 "FL,FR,LFE,FC" was reported instead of the expected
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"FL,FR,LFE,FC,RL,RR":
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~ # speaker-test -c 6 -t sine
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...
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0 - Front Left
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3 - Front Center
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1 - Front Right
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2 - LFE
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4 - Unknown
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5 - Unknown
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~ # amixer cget iface=PCM,name='Playback Channel Map' | grep ': values'
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: values=3,4,8,7,0,0,0,0
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Revert this incorrect change so that channel maps are properly
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reported again.
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Fixes: 4e0871333661 ("ASoC: hdmi-codec: fix channel info for compressed formats")
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Cc: stable@vger.kernel.org
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Signed-off-by: Matthias Reichl <hias@horus.com>
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---
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sound/soc/codecs/hdmi-codec.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
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index a192d985c5f1..94dddaeeb3ea 100644
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--- a/sound/soc/codecs/hdmi-codec.c
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+++ b/sound/soc/codecs/hdmi-codec.c
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@@ -520,7 +520,7 @@ static int hdmi_codec_fill_codec_params(struct snd_soc_dai *dai,
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hp->sample_rate = sample_rate;
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hp->channels = channels;
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- hcp->chmap_idx = idx;
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+ hcp->chmap_idx = ca_id;
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return 0;
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}
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--
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2.42.0
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