Thread (42 messages) 42 messages, 3 authors, 2022-01-04
STALE1606d REVIEWED: 4 (4M)

[PATCH 5.10.y-cip 22/31] arm64: dts: renesas: rzg2l-smarc: Add Mic routing

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: 2021-12-29 10:16:02
Subsystem: arm/risc-v/renesas architecture, the rest · Maintainers: Geert Uytterhoeven, Magnus Damm, Linus Torvalds

From: Biju Das <biju.das.jz@bp.renesas.com>

commit 87b1e27af4c1e3422bb2189b5f8f72075e841d6f upstream.

Add audio routing for Mic with bias to reduce noise when doing
audio capture.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210921084605.16250-5-biju.das.jz@bp.renesas.com (local)
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
index 1791c21dfe74..39e05169aaaa 100644
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
@@ -47,6 +47,12 @@
 		simple-audio-card,frame-master = <&cpu_dai>;
 		simple-audio-card,mclk-fs = <256>;
 
+		simple-audio-card,widgets = "Microphone", "Microphone Jack";
+		simple-audio-card,routing =
+			    "L2", "Mic Bias",
+			    "R2", "Mic Bias",
+			    "Mic Bias", "Microphone Jack";
+
 		cpu_dai: simple-audio-card,cpu {
 			sound-dai = <&ssi0>;
 		};
-- 
2.17.1

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