Change the original fixed delay to the assignment from property. It will make
more flexible to different platforms for avoiding pop noise at the beginning
of recording.
Signed-off-by: David Lin <CTLIN0@xxxxxxxxxxx>
---
Documentation/devicetree/bindings/sound/nau8825.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/nau8825.txt b/Documentation/devicetree/bindings/sound/nau8825.txt
index cb861aca8d40..a9c34526f4cb 100644
--- a/Documentation/devicetree/bindings/sound/nau8825.txt
+++ b/Documentation/devicetree/bindings/sound/nau8825.txt
@@ -74,6 +74,9 @@ Optional properties:
- nuvoton,adcout-drive-strong: make the drive strength of ADCOUT IO PIN strong if set.
Otherwise, the drive keeps normal strength.
+ - nuvoton,adc-delay-ms: Delay (in ms) to make input path stable and avoid pop noise. The
+ default value is 125 and range between 125 to 500 ms.
+
- clocks: list of phandle and clock specifier pairs according to common clock bindings for the
clocks described in clock-names
- clock-names: should include "mclk" for the MCLK master clock
--
2.25.1
