linux-kernel - [PATCH 3/3] dt-bindings: iio: dac: fix ad3552r gain parameter names

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Date: Fri, 10 May 2024 16:18:36 +0200
From: Angelo Dureghello <adureghello@...libre.com>
To: jic23@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: nuno.sa@...log.com,
	lars@...afoo.de,
	Michael.Hennerich@...log.com,
	linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Angelo Dureghello <adureghello@...libre.com>
Subject: [PATCH 3/3] dt-bindings: iio: dac: fix ad3552r gain parameter names

From: Angelo Dureghello <adureghello@...libre.com>

The adi,gain-scaling-p/n values are an inverted log2,
so initial naiming was set correct, but the driver uses just
adi,gain-scaling-p/n, so uniforming documentation, that seems
a less-risk fix for future rebases, and still conformant to datasheet.

Signed-off-by: Angelo Dureghello <adureghello@...libre.com>
---
 .../devicetree/bindings/iio/dac/adi,ad3552r.yaml | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml
index 17442cdfbe27..9e3dbf890bfa 100644
--- a/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml
+++ b/Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml
@@ -94,13 +94,13 @@ patternProperties:
             maximum: 511
             minimum: -511
 
-          adi,gain-scaling-p-inv-log2:
-            description: GainP = 1 / ( 2 ^ adi,gain-scaling-p-inv-log2)
+          adi,gain-scaling-p:
+            description: GainP = 1 / ( 2 ^ adi,gain-scaling-p)
             $ref: /schemas/types.yaml#/definitions/uint32
             enum: [0, 1, 2, 3]
 
-          adi,gain-scaling-n-inv-log2:
-            description: GainN = 1 / ( 2 ^ adi,gain-scaling-n-inv-log2)
+          adi,gain-scaling-n:
+            description: GainN = 1 / ( 2 ^ adi,gain-scaling-n)
             $ref: /schemas/types.yaml#/definitions/uint32
             enum: [0, 1, 2, 3]
 
@@ -109,8 +109,8 @@ patternProperties:
 
         required:
           - adi,gain-offset
-          - adi,gain-scaling-p-inv-log2
-          - adi,gain-scaling-n-inv-log2
+          - adi,gain-scaling-p
+          - adi,gain-scaling-n
           - adi,rfb-ohms
 
     required:
@@ -214,8 +214,8 @@ examples:
                 reg = <1>;
                 custom-output-range-config {
                     adi,gain-offset = <5>;
-                    adi,gain-scaling-p-inv-log2 = <1>;
-                    adi,gain-scaling-n-inv-log2 = <2>;
+                    adi,gain-scaling-p = <1>;
+                    adi,gain-scaling-n = <2>;
                     adi,rfb-ohms = <1>;
                 };
             };
-- 
2.45.0.rc1