linux-kernel - [PATCH v3 1/8] ASoC: dt-bindings: samsung,midas-audio: Add headset mic bias supply

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Date: Sun, 19 May 2024 10:17:47 +0200
From: Artur Weber <aweber.kernel@...il.com>
To: Sylwester Nawrocki <s.nawrocki@...sung.com>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>
Cc: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Rob Herring <robh@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, 
 Alim Akhtar <alim.akhtar@...sung.com>, alsa-devel@...a-project.org, 
 linux-sound@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-samsung-soc@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht, 
 Artur Weber <aweber.kernel@...il.com>
Subject: [PATCH v3 1/8] ASoC: dt-bindings: samsung,midas-audio: Add headset
 mic bias supply

Some devices use a separate mic bias supply (also referred to as
"ear mic bias") to enable/disable the headset mic.

Add the DT property headset-mic-bias-supply to allow for specifying
this supply.

Signed-off-by: Artur Weber <aweber.kernel@...il.com>
---
 Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml b/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml
index 6ec80f529d84..6ed53dd0bb53 100644
--- a/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml
+++ b/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml
@@ -53,6 +53,9 @@ properties:
   submic-bias-supply:
     description: Supply for the micbias on the Sub microphone
 
+  headset-mic-bias-supply:
+    description: Supply for the micbias on the Headset microphone
+
   fm-sel-gpios:
     maxItems: 1
     description: GPIO pin for FM selection

-- 
2.45.0