linux-kernel - [PATCH] linux: regulator: pca9450.h: Correct register masks for LDOs

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Date:   Mon, 13 Dec 2021 08:23:19 +0100
From:   André Werner <Andre.Werner@...u.de>
To:     lgirdwood@...il.com, broonie@...nel.org, anson.huang@....com
Cc:     linux-kernel@...r.kernel.org, andre.werner@...tec-electronic.com
Subject: [PATCH] linux: regulator: pca9450.h: Correct register masks for
 LDOs


 From 6dda12150785665ddd1059d53aa22bf902bfe4aa Mon Sep 17 00:00:00 2001
From: Andre Werner <andre.werner@...tec-electronic.com>
Date: Mon, 22 Nov 2021 15:40:17 +0100
Subject: [PATCH] linux: regulator: pca9450.h: Correct register masks for LDOs

Within the defines of the register masks for LDO3 and LDO4,
the most significant bit was missing. The datasheet said
the range is 4:0 bits. Thus, the output voltage cannot be
set above 1.7V for each.

Signed-off-by: Andre Werner <andre.werner@...tec-electronic.com>
---
  include/linux/regulator/pca9450.h | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/regulator/pca9450.h  
b/include/linux/regulator/pca9450.h
index 71902f41c919..0c3edff6bdff 100644
--- a/include/linux/regulator/pca9450.h
+++ b/include/linux/regulator/pca9450.h
@@ -196,11 +196,11 @@ enum {

  /* PCA9450_REG_LDO3_VOLT bits */
  #define LDO3_EN_MASK                   0xC0
-#define LDO3OUT_MASK                   0x0F
+#define LDO3OUT_MASK                   0x1F

  /* PCA9450_REG_LDO4_VOLT bits */
  #define LDO4_EN_MASK                   0xC0
-#define LDO4OUT_MASK                   0x0F
+#define LDO4OUT_MASK                   0x1F

  /* PCA9450_REG_LDO5_VOLT bits */
  #define LDO5L_EN_MASK                  0xC0
-- 
2.31.1


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