* [PATCH 1/2] ASoC: dt-bindings: rt5682: add LDO2 power control device property
@ 2021-01-20 9:12 shumingf
0 siblings, 0 replies; only message in thread
From: shumingf @ 2021-01-20 9:12 UTC (permalink / raw)
To: broonie, lgirdwood
Cc: oder_chiou, jack.yu, alsa-devel, lars, albertchen, derek.fang,
Shuming Fan, flove
From: Shuming Fan <shumingf@realtek.com>
The "realtek,ldo2-pow-en" device property uses to enable LDO2 power while the headset recording.
Signed-off-by: Shuming Fan <shumingf@realtek.com>
---
Documentation/devicetree/bindings/sound/rt5682.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/rt5682.txt b/Documentation/devicetree/bindings/sound/rt5682.txt
index 9c5fadb6ac82..eba2ea588564 100644
--- a/Documentation/devicetree/bindings/sound/rt5682.txt
+++ b/Documentation/devicetree/bindings/sound/rt5682.txt
@@ -46,6 +46,8 @@ Optional properties:
- realtek,dmic-clk-driving-high : Set the high drving of the DMIC clock out.
+- realtek,ldo2-pow-en : Enable LDO2 power control if the application circuit uses VBAT, not MICVDD.
+
Pins on the device (for linking into audio routes) for RT5682:
* DMIC L1
--
2.29.0
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