By simply setting vref-mv to 0 the internal reference will be used.
Document that!
Signed-off-by: Alexander Stein <alexander.st...@systec-electronic.com>
---
Documentation/devicetree/bindings/input/ads7846.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/ads7846.txt
b/Documentation/devicetree/bindings/input/ads7846.txt
index df8b127..0414b4d 100644
--- a/Documentation/devicetree/bindings/input/ads7846.txt
+++ b/Documentation/devicetree/bindings/input/ads7846.txt
@@ -29,6 +29,8 @@ Optional properties:
ti,vref-delay-usecs vref supply delay in usecs, 0 for
external vref (u16).
ti,vref-mv The VREF voltage, in millivolts (u16).
+ Set to 0 to use internal refernce
+ (ADS7846).
ti,keep-vref-on set to keep vref on for differential
measurements as well
ti,swap-xy swap x and y axis
--
2.4.10
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