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[Resend] Input: ads7846: Add description how to use internal reference (ADS7846)

Message ID 1456729595-32023-1-git-send-email-alexander.stein@systec-electronic.com
State Accepted, archived
Headers show

Commit Message

Alexander Stein Feb. 29, 2016, 7:06 a.m. UTC
By simply setting vref-mv to 0 the internal reference will be used.
Document that!

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
---
 Documentation/devicetree/bindings/input/ads7846.txt | 2 ++
 1 file changed, 2 insertions(+)

Comments

Rob Herring March 3, 2016, 11:39 p.m. UTC | #1
On Mon, Feb 29, 2016 at 08:06:35AM +0100, Alexander Stein wrote:
> By simply setting vref-mv to 0 the internal reference will be used.
> Document that!
> 
> Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>

Applied, thanks.

Rob

> ---
>  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 33a1638..c6cfe2e 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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diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/input/ads7846.txt b/Documentation/devicetree/bindings/input/ads7846.txt
index 33a1638..c6cfe2e 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