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From: Neo Chang <YLCHANG2@nuvoton.com>
To: <broonie@kernel.org>
Cc: <lgirdwood@gmail.com>, <perex@perex.cz>, <robh@kernel.org>,
	<krzk+dt@kernel.org>, <linux-sound@vger.kernel.org>,
	<devicetree@vger.kernel.org>, <alsa-devel@alsa-project.org>,
	<neo.chang70@gmail.com>, <kchsu0@nuvoton.com>,
	<sjlin0@nuvoton.com>, "Neo Chang" <YLCHANG2@nuvoton.com>
Subject: [PATCH v2 1/2] ASoC: codecs: nau8360: Set DAC path to bypass mode when DSP firmware load fails
Date: Fri, 4 Sep 2026 14:00:34 +0800	[thread overview]
Message-ID: <20260904060035.196399-2-YLCHANG2@nuvoton.com> (raw)
In-Reply-To: <20260904060035.196399-1-YLCHANG2@nuvoton.com>

Automatically route the DAC path to bypass mode if DSP firmware fails
to load, ensuring basic audio playback remains functional.

Signed-off-by: Neo Chang <YLCHANG2@nuvoton.com>
---
 sound/soc/codecs/nau8360.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/codecs/nau8360.c b/sound/soc/codecs/nau8360.c
index d7af2dffb749..8b75d3b9ebd6 100644
--- a/sound/soc/codecs/nau8360.c
+++ b/sound/soc/codecs/nau8360.c
@@ -1702,6 +1702,8 @@ static void nau8360_load_fw_work(struct work_struct *work)
 	if (ret) {
 		dev_err(nau8360->dev, "Failed to initialize DSP: %d\n", ret);
 		nau8360_dsp_enable(nau8360->regmap, false);
+		snd_soc_component_update_bits(cp, NAU8360_R12_PATH_CTRL,
+			NAU8360_DAC_SEL_MASK, NAU8360_DAC_SEL_BYP);
 		return;
 	}
 	nau8360->load_fw_done = true;
-- 
2.25.1


  reply	other threads:[~2026-09-04  6:00 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-04  6:00 [PATCH v2 0/2] ASoC: codecs: nau8360: Add DSP fallback and PEQ band initialization Neo Chang
2026-09-04  6:00 ` Neo Chang [this message]
2026-09-04  6:16   ` [PATCH v2 1/2] ASoC: codecs: nau8360: Set DAC path to bypass mode when DSP firmware load fails sashiko-bot
2026-09-04 17:47   ` Mark Brown
2026-09-04  6:00 ` [PATCH v2 2/2] ASoC: codecs: nau8360: Add default PEQ band number for DSP init Neo Chang
2026-09-04 17:48 ` (subset) [PATCH v2 0/2] ASoC: codecs: nau8360: Add DSP fallback and PEQ band initialization Mark Brown

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