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authorJames Morris <jmorris@namei.org>2011-03-08 00:55:06 +0100
committerJames Morris <jmorris@namei.org>2011-03-08 00:55:06 +0100
commit1cc26bada9f6807814806db2f0d78792eecdac71 (patch)
tree5509b5139db04af6c13db0a580c84116a4a54039 /drivers/regulator/wm8994-regulator.c
parentTOMOYO: Fix memory leak upon file open. (diff)
parentMerge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/ker... (diff)
downloadlinux-1cc26bada9f6807814806db2f0d78792eecdac71.tar.xz
linux-1cc26bada9f6807814806db2f0d78792eecdac71.zip
Merge branch 'master'; commit 'v2.6.38-rc7' into next
Diffstat (limited to 'drivers/regulator/wm8994-regulator.c')
-rw-r--r--drivers/regulator/wm8994-regulator.c45
1 files changed, 31 insertions, 14 deletions
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 03713bc66e4a..35b2958d5106 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -86,7 +86,7 @@ static int wm8994_ldo1_list_voltage(struct regulator_dev *rdev,
return (selector * 100000) + 2400000;
}
-static int wm8994_ldo1_get_voltage(struct regulator_dev *rdev)
+static int wm8994_ldo1_get_voltage_sel(struct regulator_dev *rdev)
{
struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
int val;
@@ -95,13 +95,11 @@ static int wm8994_ldo1_get_voltage(struct regulator_dev *rdev)
if (val < 0)
return val;
- val = (val & WM8994_LDO1_VSEL_MASK) >> WM8994_LDO1_VSEL_SHIFT;
-
- return wm8994_ldo1_list_voltage(rdev, val);
+ return (val & WM8994_LDO1_VSEL_MASK) >> WM8994_LDO1_VSEL_SHIFT;
}
static int wm8994_ldo1_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV)
+ int min_uV, int max_uV, unsigned *s)
{
struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
int selector, v;
@@ -111,6 +109,7 @@ static int wm8994_ldo1_set_voltage(struct regulator_dev *rdev,
if (v < 0 || v > max_uV)
return -EINVAL;
+ *s = selector;
selector <<= WM8994_LDO1_VSEL_SHIFT;
return wm8994_set_bits(ldo->wm8994, WM8994_LDO_1,
@@ -124,20 +123,29 @@ static struct regulator_ops wm8994_ldo1_ops = {
.enable_time = wm8994_ldo_enable_time,
.list_voltage = wm8994_ldo1_list_voltage,
- .get_voltage = wm8994_ldo1_get_voltage,
+ .get_voltage_sel = wm8994_ldo1_get_voltage_sel,
.set_voltage = wm8994_ldo1_set_voltage,
};
static int wm8994_ldo2_list_voltage(struct regulator_dev *rdev,
unsigned int selector)
{
+ struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
+
if (selector > WM8994_LDO2_MAX_SELECTOR)
return -EINVAL;
- return (selector * 100000) + 900000;
+ switch (ldo->wm8994->type) {
+ case WM8994:
+ return (selector * 100000) + 900000;
+ case WM8958:
+ return (selector * 100000) + 1000000;
+ default:
+ return -EINVAL;
+ }
}
-static int wm8994_ldo2_get_voltage(struct regulator_dev *rdev)
+static int wm8994_ldo2_get_voltage_sel(struct regulator_dev *rdev)
{
struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
int val;
@@ -146,22 +154,31 @@ static int wm8994_ldo2_get_voltage(struct regulator_dev *rdev)
if (val < 0)
return val;
- val = (val & WM8994_LDO2_VSEL_MASK) >> WM8994_LDO2_VSEL_SHIFT;
-
- return wm8994_ldo2_list_voltage(rdev, val);
+ return (val & WM8994_LDO2_VSEL_MASK) >> WM8994_LDO2_VSEL_SHIFT;
}
static int wm8994_ldo2_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV)
+ int min_uV, int max_uV, unsigned *s)
{
struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
int selector, v;
- selector = (min_uV - 900000) / 100000;
+ switch (ldo->wm8994->type) {
+ case WM8994:
+ selector = (min_uV - 900000) / 100000;
+ break;
+ case WM8958:
+ selector = (min_uV - 1000000) / 100000;
+ break;
+ default:
+ return -EINVAL;
+ }
+
v = wm8994_ldo2_list_voltage(rdev, selector);
if (v < 0 || v > max_uV)
return -EINVAL;
+ *s = selector;
selector <<= WM8994_LDO2_VSEL_SHIFT;
return wm8994_set_bits(ldo->wm8994, WM8994_LDO_2,
@@ -175,7 +192,7 @@ static struct regulator_ops wm8994_ldo2_ops = {
.enable_time = wm8994_ldo_enable_time,
.list_voltage = wm8994_ldo2_list_voltage,
- .get_voltage = wm8994_ldo2_get_voltage,
+ .get_voltage_sel = wm8994_ldo2_get_voltage_sel,
.set_voltage = wm8994_ldo2_set_voltage,
};