linux-kernel - [PATCH] ASoC: es8328: Remove duplicate DAPM routes

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Message-ID: <20251231084554.265916-1-hungen3108@gmail.com>
Date: Wed, 31 Dec 2025 16:45:54 +0800
From: Hsieh Hung-En <hungen3108@...il.com>
To: broonie@...nel.org
Cc: lgirdwood@...il.com,
	perex@...ex.cz,
	tiwai@...e.com,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Hsieh Hung-En <hungen3108@...il.com>
Subject: [PATCH] ASoC: es8328: Remove duplicate DAPM routes

The DAPM routes for "Left Line Mux" and "Right Line Mux" are defined
twice in es8328_dapm_routes[]. The redundant entries appear after
the "Mic Bias" route and duplicate the definitions found earlier in
the array.

Remove the duplicate entries to clean up the code.

Tested on Rockchip RK3588 with ES8328 codec. Verified that removing
the duplicate routes does not alter the DAPM graph or the mixer
controls. Both 'tinymix' output and DAPM widget lists remain
identical to the baseline.

Signed-off-by: Hsieh Hung-En <hungen3108@...il.com>
---
 sound/soc/codecs/es8328.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c
index 1e11175cfbbb..bd74e896d602 100644
--- a/sound/soc/codecs/es8328.c
+++ b/sound/soc/codecs/es8328.c
@@ -406,16 +406,6 @@ static const struct snd_soc_dapm_route es8328_dapm_routes[] = {
 
 	{ "Mic Bias", NULL, "Mic Bias Gen" },
 
-	{ "Left Line Mux", "Line 1", "LINPUT1" },
-	{ "Left Line Mux", "Line 2", "LINPUT2" },
-	{ "Left Line Mux", "PGA", "Left PGA Mux" },
-	{ "Left Line Mux", "Differential", "Differential Mux" },
-
-	{ "Right Line Mux", "Line 1", "RINPUT1" },
-	{ "Right Line Mux", "Line 2", "RINPUT2" },
-	{ "Right Line Mux", "PGA", "Right PGA Mux" },
-	{ "Right Line Mux", "Differential", "Differential Mux" },
-
 	{ "Left Mixer", NULL, "Left DAC" },
 	{ "Left Mixer", "Left Bypass Switch", "Left Line Mux" },
 	{ "Left Mixer", "Right Playback Switch", "Right DAC" },
-- 
2.43.0