From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Aaron Kling <webgeek1234@gmail.com>, Takashi Iwai <tiwai@suse.de>,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH 6.6.y] ALSA: hda/tegra: Re-enable SDO workaround for Tegra194
Date: Mon, 5 Oct 2026 18:33:06 -0400 [thread overview]
Message-ID: <20261005223255.3500832-1-sashal@kernel.org> (raw)
In-Reply-To: <2026100518-diagnosis-entomb-8d1e@gregkh>
From: Aaron Kling <webgeek1234@gmail.com>
[ Upstream commit 89365897f4210979966aa808d7b013edf4080558 ]
This workaround was originally added for Tegra194, but no longer gets
applied for it. Commit 615d43540043 ("ALSA: hda/tegra: fix tegra-hda on
tegra30 soc") changed the guard to tegra30-hda, which worked because all
affected archs had the fallback compatible. However, commit 7f0ea5acfc19
("arm64: tegra: Use correct compatible string for Tegra194 HDA") removed
the fallback compatible for Tegra194, causing this to break.
Fixes: 7f0ea5acfc19 ("arm64: tegra: Use correct compatible string for Tegra194 HDA")
Cc: stable@vger.kernel.org
Assisted-by: LLM
Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Link: https://patch.msgid.link/20260926-tegra194-hda-sdo-v1-1-f7a636a07a58@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/pci/hda/hda_tegra.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c
index 12a144a269ee8..de47ea7b9ee13 100644
--- a/sound/pci/hda/hda_tegra.c
+++ b/sound/pci/hda/hda_tegra.c
@@ -376,7 +376,8 @@ static int hda_tegra_first_init(struct azx *chip, struct platform_device *pdev)
* in powers of 2, next available ratio is 16 which can be
* used as a limiting factor here.
*/
- if (of_device_is_compatible(np, "nvidia,tegra30-hda"))
+ if (of_device_is_compatible(np, "nvidia,tegra30-hda") ||
+ of_device_is_compatible(np, "nvidia,tegra194-hda"))
chip->bus.core.sdo_limit = 16;
/* codec detection */
--
2.53.0
prev parent reply other threads:[~2026-10-05 22:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-05 10:25 FAILED: patch "[PATCH] ALSA: hda/tegra: Re-enable SDO workaround for Tegra194" failed to apply to 6.6-stable tree gregkh
2026-10-05 22:33 ` Sasha Levin [this message]
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