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linux: ALSA: hda - hdmi: Fix IEC958 ctl indexes for some simple HDMI devices

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thanks to Anssi for the patch and to MysterX for testing it
This commit is contained in:
Stefan Saraev 2013-12-10 22:53:49 +02:00
parent 5db44c51d8
commit 7b52b1af0e
1 changed files with 53 additions and 0 deletions
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53
packages/linux/patches/3.12.4/linux-992.06-ALSA-hda-hdmi-Fix-IEC958-ctl-indexes-for-some-simple.patch vendored Normal file
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From aebc8b604fc0c806fe66598e71318b2e9098cf0d Mon Sep 17 00:00:00 2001
From: Anssi Hannula <anssi.hannula@iki.fi>
Date: Tue, 10 Dec 2013 21:56:07 +0200
Subject: [PATCH] ALSA: hda - hdmi: Fix IEC958 ctl indexes for some simple HDMI
devices
In case a single HDA card has both HDMI and S/PDIF outputs, the S/PDIF
outputs will have their IEC958 controls created starting from index 16
and the HDMI controls will be created starting from index 0.
However, HDMI simple_playback_build_controls() as used by old VIA and
NVIDIA codecs incorrectly requests the IEC958 controls to be created
with an S/PDIF type instead of HDMI.
In case the card has other codecs that have HDMI outputs, the controls
will be created with wrong index=16, causing them to e.g. be unreachable
by the ALSA "hdmi" alias.
Fix that by making simple_playback_build_controls() request controls
with HDMI indexes.
Not many cards have an affected configuration, but e.g. ASUS M3N78-VM
contains an integrated NVIDIA HDA "card" with:
- a VIA codec that has, among others, an S/PDIF pin incorrectly
labelled as an HDMI pin, and
- an NVIDIA MCP7x HDMI codec.
Reported-by: MysterX on #openelec
Tested-by: MysterX on #openelec
Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Cc: <stable@vger.kernel.org> # 3.8+
---
sound/pci/hda/patch_hdmi.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 556d47231f11..f5060fc7c303 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -2326,8 +2326,9 @@ static int simple_playback_build_controls(struct hda_codec *codec)
int err;
per_cvt = get_cvt(spec, 0);
- err = snd_hda_create_spdif_out_ctls(codec, per_cvt->cvt_nid,
- per_cvt->cvt_nid);
+ err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
+ per_cvt->cvt_nid,
+ HDA_PCM_TYPE_HDMI);
if (err < 0)
return err;
return simple_hdmi_build_jack(codec, 0);
--
1.8.1.5