linux-kernel - [PATCH 7/8] MIPS: ingenic: gcw0: Set codec to cap-less mode for FM radio

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Date:   Sun, 30 May 2021 18:18:01 +0100
From:   Paul Cercueil <paul@...pouillou.net>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc:     Rob Herring <robh+dt@...nel.org>,
        周琰杰 <zhouyanjie@...yeetech.com>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, list@...ndingux.net,
        Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH 7/8] MIPS: ingenic: gcw0: Set codec to cap-less mode for FM radio

When using the FM radio, we must not have capacitors on the headphones
line, since it is used as the antenna.

The "FM Radio" widget is removed so that the cap-less mode can be
enabled dynamically through DAPM when the line input is used.
This widget was useless anyway.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
---
 arch/mips/boot/dts/ingenic/gcw0.dts | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/mips/boot/dts/ingenic/gcw0.dts b/arch/mips/boot/dts/ingenic/gcw0.dts
index f4c04f2263ea..4abb0318416c 100644
--- a/arch/mips/boot/dts/ingenic/gcw0.dts
+++ b/arch/mips/boot/dts/ingenic/gcw0.dts
@@ -74,7 +74,6 @@ sound {
 		simple-audio-card,widgets =
 			"Speaker", "Speaker",
 			"Headphone", "Headphones",
-			"Line", "FM Radio",
 			"Microphone", "Built-in Mic";
 		simple-audio-card,routing =
 			"Headphones Amp INL", "LHPOUT",
@@ -85,8 +84,8 @@ sound {
 			"Speaker Amp INR", "ROUT",
 			"Speaker", "Speaker Amp OUTL",
 			"Speaker", "Speaker Amp OUTR",
-			"LLINEIN", "FM Radio",
-			"RLINEIN", "FM Radio",
+			"LLINEIN", "Cap-less",
+			"RLINEIN", "Cap-less",
 			"Built-in Mic", "MICBIAS",
 			"MIC1P", "Built-in Mic",
 			"MIC1N", "Built-in Mic";
-- 
2.30.2