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path: root/drivers/regulator/wm8350-regulator.c
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Diffstat (limited to 'drivers/regulator/wm8350-regulator.c')
-rw-r--r--drivers/regulator/wm8350-regulator.c102
1 files changed, 19 insertions, 83 deletions
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index a1c7dfee5c37..56d6168a888d 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -1,16 +1,11 @@
-/*
- * wm8350.c -- Voltage and current regulation for the Wolfson WM8350 PMIC
- *
- * Copyright 2007, 2008 Wolfson Microelectronics PLC.
- *
- * Author: Liam Girdwood
- * linux@wolfsonmicro.com
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
+// SPDX-License-Identifier: GPL-2.0+
+//
+// wm8350.c -- Voltage and current regulation for the Wolfson WM8350 PMIC
+//
+// Copyright 2007, 2008 Wolfson Microelectronics PLC.
+//
+// Author: Liam Girdwood
+// linux@wolfsonmicro.com
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -28,7 +23,7 @@
#define WM8350_DCDC_MAX_VSEL 0x66
/* Microamps */
-static const int isink_cur[] = {
+static const unsigned int isink_cur[] = {
4,
5,
6,
@@ -95,73 +90,6 @@ static const int isink_cur[] = {
223191
};
-static int get_isink_val(int min_uA, int max_uA, u16 *setting)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(isink_cur); i++) {
- if (min_uA <= isink_cur[i] && max_uA >= isink_cur[i]) {
- *setting = i;
- return 0;
- }
- }
- return -EINVAL;
-}
-
-static int wm8350_isink_set_current(struct regulator_dev *rdev, int min_uA,
- int max_uA)
-{
- struct wm8350 *wm8350 = rdev_get_drvdata(rdev);
- int isink = rdev_get_id(rdev);
- u16 val, setting;
- int ret;
-
- ret = get_isink_val(min_uA, max_uA, &setting);
- if (ret != 0)
- return ret;
-
- switch (isink) {
- case WM8350_ISINK_A:
- val = wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_A) &
- ~WM8350_CS1_ISEL_MASK;
- wm8350_reg_write(wm8350, WM8350_CURRENT_SINK_DRIVER_A,
- val | setting);
- break;
- case WM8350_ISINK_B:
- val = wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_B) &
- ~WM8350_CS1_ISEL_MASK;
- wm8350_reg_write(wm8350, WM8350_CURRENT_SINK_DRIVER_B,
- val | setting);
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int wm8350_isink_get_current(struct regulator_dev *rdev)
-{
- struct wm8350 *wm8350 = rdev_get_drvdata(rdev);
- int isink = rdev_get_id(rdev);
- u16 val;
-
- switch (isink) {
- case WM8350_ISINK_A:
- val = wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_A) &
- WM8350_CS1_ISEL_MASK;
- break;
- case WM8350_ISINK_B:
- val = wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_B) &
- WM8350_CS1_ISEL_MASK;
- break;
- default:
- return 0;
- }
-
- return isink_cur[val];
-}
-
/* turn on ISINK followed by DCDC */
static int wm8350_isink_enable(struct regulator_dev *rdev)
{
@@ -982,8 +910,8 @@ static const struct regulator_ops wm8350_ldo_ops = {
};
static const struct regulator_ops wm8350_isink_ops = {
- .set_current_limit = wm8350_isink_set_current,
- .get_current_limit = wm8350_isink_get_current,
+ .set_current_limit = regulator_set_current_limit_regmap,
+ .get_current_limit = regulator_get_current_limit_regmap,
.enable = wm8350_isink_enable,
.disable = wm8350_isink_disable,
.is_enabled = wm8350_isink_is_enabled,
@@ -1138,6 +1066,10 @@ static const struct regulator_desc wm8350_reg[NUM_WM8350_REGULATORS] = {
.irq = WM8350_IRQ_CS1,
.type = REGULATOR_CURRENT,
.owner = THIS_MODULE,
+ .curr_table = isink_cur,
+ .n_current_limits = ARRAY_SIZE(isink_cur),
+ .csel_reg = WM8350_CURRENT_SINK_DRIVER_A,
+ .csel_mask = WM8350_CS1_ISEL_MASK,
},
{
.name = "ISINKB",
@@ -1146,6 +1078,10 @@ static const struct regulator_desc wm8350_reg[NUM_WM8350_REGULATORS] = {
.irq = WM8350_IRQ_CS2,
.type = REGULATOR_CURRENT,
.owner = THIS_MODULE,
+ .curr_table = isink_cur,
+ .n_current_limits = ARRAY_SIZE(isink_cur),
+ .csel_reg = WM8350_CURRENT_SINK_DRIVER_B,
+ .csel_mask = WM8350_CS2_ISEL_MASK,
},
};