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Date: Wed, 11 Apr 2012 22:56:11 +0800
From: Axel Lin <axel.lin@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Kyungmin Park <kyungmin.park@...sung.com>,
MyungJoo Ham <myungjoo.ham@...sung.com>,
Liam Girdwood <lrg@...com>,
Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH RFT 1/2] regulator: Convert max8997 to get_voltage_sel
Also rename get_current_limit and set_current_limit callbacks
to max8997_get_current_limit and max8997_set_current_limit for
better readability.
Signed-off-by: Axel Lin <axel.lin@...il.com>
---
drivers/regulator/max8997.c | 53 ++++++++++++++++++++++++++-----------------
1 files changed, 32 insertions(+), 21 deletions(-)
diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index db09244..56402e8 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -382,7 +382,7 @@ static int max8997_get_voltage_register(struct regulator_dev *rdev,
return 0;
}
-static int max8997_get_voltage(struct regulator_dev *rdev)
+static int max8997_get_voltage_sel(struct regulator_dev *rdev)
{
struct max8997_data *max8997 = rdev_get_drvdata(rdev);
struct i2c_client *i2c = max8997->iodev->i2c;
@@ -400,15 +400,7 @@ static int max8997_get_voltage(struct regulator_dev *rdev)
val >>= shift;
val &= mask;
- if (rdev->desc && rdev->desc->ops && rdev->desc->ops->list_voltage)
- return rdev->desc->ops->list_voltage(rdev, val);
-
- /*
- * max8997_list_voltage returns value for any rdev with voltage_map,
- * which works for "CHARGER" and "CHARGER TOPOFF" that do not have
- * list_voltage ops (they are current regulators).
- */
- return max8997_list_voltage(rdev, val);
+ return val;
}
static inline int max8997_get_voltage_proper_val(
@@ -786,7 +778,7 @@ static struct regulator_ops max8997_ldo_ops = {
.is_enabled = max8997_reg_is_enabled,
.enable = max8997_reg_enable,
.disable = max8997_reg_disable,
- .get_voltage = max8997_get_voltage,
+ .get_voltage_sel = max8997_get_voltage_sel,
.set_voltage = max8997_set_voltage_ldobuck,
.set_suspend_enable = max8997_reg_enable_suspend,
.set_suspend_disable = max8997_reg_disable_suspend,
@@ -797,7 +789,7 @@ static struct regulator_ops max8997_buck_ops = {
.is_enabled = max8997_reg_is_enabled,
.enable = max8997_reg_enable,
.disable = max8997_reg_disable,
- .get_voltage = max8997_get_voltage,
+ .get_voltage_sel = max8997_get_voltage_sel,
.set_voltage = max8997_set_voltage_buck,
.set_suspend_enable = max8997_reg_enable_suspend,
.set_suspend_disable = max8997_reg_disable_suspend,
@@ -817,7 +809,7 @@ static struct regulator_ops max8997_safeout_ops = {
.is_enabled = max8997_reg_is_enabled,
.enable = max8997_reg_enable,
.disable = max8997_reg_disable,
- .get_voltage = max8997_get_voltage,
+ .get_voltage_sel = max8997_get_voltage_sel,
.set_voltage = max8997_set_voltage_safeout,
.set_suspend_enable = max8997_reg_enable_suspend,
.set_suspend_disable = max8997_reg_disable_suspend,
@@ -825,31 +817,50 @@ static struct regulator_ops max8997_safeout_ops = {
static struct regulator_ops max8997_fixedstate_ops = {
.list_voltage = max8997_list_voltage_charger_cv,
- .get_voltage = max8997_get_voltage,
+ .get_voltage_sel = max8997_get_voltage_sel,
.set_voltage = max8997_set_voltage_charger_cv,
};
-static int max8997_set_voltage_ldobuck_wrap(struct regulator_dev *rdev,
- int min_uV, int max_uV)
+static int max8997_set_current_limit(struct regulator_dev *rdev,
+ int min_uA, int max_uA)
{
unsigned dummy;
+ int rid = rdev_get_id(rdev);
+
+ if (rid != MAX8997_CHARGER && rid != MAX8997_CHARGER_TOPOFF)
+ return -EINVAL;
- return max8997_set_voltage_ldobuck(rdev, min_uV, max_uV, &dummy);
+ /* Reuse max8997_set_voltage_ldobuck to set current_limit. */
+ return max8997_set_voltage_ldobuck(rdev, min_uA, max_uA, &dummy);
}
+static int max8997_get_current_limit(struct regulator_dev *rdev)
+{
+ int sel, rid = rdev_get_id(rdev);
+
+ if (rid != MAX8997_CHARGER && rid != MAX8997_CHARGER_TOPOFF)
+ return -EINVAL;
+
+ sel = max8997_get_voltage_sel(rdev);
+ if (sel < 0)
+ return sel;
+
+ /* Reuse max8997_list_voltage to get current_limit. */
+ return max8997_list_voltage(rdev, sel);
+}
static struct regulator_ops max8997_charger_ops = {
.is_enabled = max8997_reg_is_enabled,
.enable = max8997_reg_enable,
.disable = max8997_reg_disable,
- .get_current_limit = max8997_get_voltage,
- .set_current_limit = max8997_set_voltage_ldobuck_wrap,
+ .get_current_limit = max8997_get_current_limit,
+ .set_current_limit = max8997_set_current_limit,
};
static struct regulator_ops max8997_charger_fixedstate_ops = {
.is_enabled = max8997_reg_is_enabled,
- .get_current_limit = max8997_get_voltage,
- .set_current_limit = max8997_set_voltage_ldobuck_wrap,
+ .get_current_limit = max8997_get_current_limit,
+ .set_current_limit = max8997_set_current_limit,
};
#define MAX8997_VOLTAGE_REGULATOR(_name, _ops) {\
--
1.7.5.4
--
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