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From: <jack.yu@realtek.com>
To: <broonie@kernel.org>, <lgirdwood@gmail.com>
Cc: <alsa-devel@alsa-project.org>, <lars@metafoo.de>,
	<flove@realtek.com>, <oder_chiou@realtek.com>,
	<shumingf@realtek.com>, <derek.fang@realtek.com>,
	<Trevor.Wu@mediatek.com>, Jack Yu <jack.yu@realtek.com>
Subject: [PATCH] ASoC: rt712-sdca: Pull high JD2 to prevent from entering TV mode
Date: Thu, 20 Aug 2026 17:24:15 +0800	[thread overview]
Message-ID: <20260820092415.2979641-1-jack.yu@realtek.com> (raw)

From: Jack Yu <jack.yu@realtek.com>

Add a patch setting to prevent ALC712 from entering TV mode which
may cause unexpected issues.

Signed-off-by: Jack Yu <jack.yu@realtek.com>
---
 sound/soc/codecs/rt712-sdca.c | 1 +
 sound/soc/codecs/rt712-sdca.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/sound/soc/codecs/rt712-sdca.c b/sound/soc/codecs/rt712-sdca.c
index 2218f9918ae3..13574513b181 100644
--- a/sound/soc/codecs/rt712-sdca.c
+++ b/sound/soc/codecs/rt712-sdca.c
@@ -1779,6 +1779,7 @@ static void rt712_sdca_vb_io_init(struct rt712_sdca_priv *rt712)
 	dev_dbg(dev, "%s jack/mic/amp func_status=0x%x, 0x%x, 0x%x\n",
 		__func__, jack_func_status, mic_func_status, amp_func_status);
 
+	rt712_sdca_index_write(rt712, RT712_VENDOR_REG, RT712_JD_CTL3, 0x7778);
 	/* DMIC */
 	if ((mic_func_status & FUNCTION_NEEDS_INITIALIZATION) || (!rt712->first_hw_init)) {
 		rt712_sdca_index_write(rt712, RT712_VENDOR_HDA_CTL, RT712_DMIC2_FU_IT_FLOAT_CTL, 0x1526);
diff --git a/sound/soc/codecs/rt712-sdca.h b/sound/soc/codecs/rt712-sdca.h
index 7ab7d5feb50a..46740281a5c1 100644
--- a/sound/soc/codecs/rt712-sdca.h
+++ b/sound/soc/codecs/rt712-sdca.h
@@ -74,6 +74,7 @@ struct rt712_dmic_kctrl_priv {
 #define RT712_JD_PRODUCT_NUM			0x00
 #define RT712_ANALOG_BIAS_CTL3			0x04
 #define RT712_JD_CTL1				0x09
+#define RT712_JD_CTL3				0x0b
 #define RT712_IO_CTL				0x0c
 #define RT712_LDO2_3_CTL1			0x0e
 #define RT712_PARA_VERB_CTL			0x1a
-- 
2.54.0


                 reply	other threads:[~2026-08-20  9:25 UTC|newest]

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