Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 140258
b: refs/heads/master
c: 216765d
h: refs/heads/master
v: v3
  • Loading branch information
Mark Brown authored and Liam Girdwood committed Mar 31, 2009
1 parent 14a91f3 commit ea34edc
Show file tree
Hide file tree
Showing 2 changed files with 31 additions and 5 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5c13941acc513669c7d07b28789c3f9ba66ddddf
refs/heads/master: 216765d92acaeabdad6561254a5a676325105a37
34 changes: 30 additions & 4 deletions trunk/drivers/regulator/wm8400-regulator.c
Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,18 @@ static int wm8400_ldo_disable(struct regulator_dev *dev)
WM8400_LDO1_ENA, 0);
}

static int wm8400_ldo_list_voltage(struct regulator_dev *dev,
unsigned selector)
{
if (selector > WM8400_LDO1_VSEL_MASK)
return -EINVAL;

if (selector < 15)
return 900000 + (selector * 50000);
else
return 1600000 + ((selector - 14) * 100000);
}

static int wm8400_ldo_get_voltage(struct regulator_dev *dev)
{
struct wm8400 *wm8400 = rdev_get_drvdata(dev);
Expand All @@ -51,10 +63,7 @@ static int wm8400_ldo_get_voltage(struct regulator_dev *dev)
val = wm8400_reg_read(wm8400, WM8400_LDO1_CONTROL + rdev_get_id(dev));
val &= WM8400_LDO1_VSEL_MASK;

if (val < 15)
return 900000 + (val * 50000);
else
return 1600000 + ((val - 14) * 100000);
return wm8400_ldo_list_voltage(dev, val);
}

static int wm8400_ldo_set_voltage(struct regulator_dev *dev,
Expand Down Expand Up @@ -92,6 +101,7 @@ static struct regulator_ops wm8400_ldo_ops = {
.is_enabled = wm8400_ldo_is_enabled,
.enable = wm8400_ldo_enable,
.disable = wm8400_ldo_disable,
.list_voltage = wm8400_ldo_list_voltage,
.get_voltage = wm8400_ldo_get_voltage,
.set_voltage = wm8400_ldo_set_voltage,
};
Expand Down Expand Up @@ -124,6 +134,15 @@ static int wm8400_dcdc_disable(struct regulator_dev *dev)
WM8400_DC1_ENA, 0);
}

static int wm8400_dcdc_list_voltage(struct regulator_dev *dev,
unsigned selector)
{
if (selector > WM8400_DC1_VSEL_MASK)
return -EINVAL;

return 850000 + (selector * 25000);
}

static int wm8400_dcdc_get_voltage(struct regulator_dev *dev)
{
struct wm8400 *wm8400 = rdev_get_drvdata(dev);
Expand Down Expand Up @@ -237,6 +256,7 @@ static struct regulator_ops wm8400_dcdc_ops = {
.is_enabled = wm8400_dcdc_is_enabled,
.enable = wm8400_dcdc_enable,
.disable = wm8400_dcdc_disable,
.list_voltage = wm8400_dcdc_list_voltage,
.get_voltage = wm8400_dcdc_get_voltage,
.set_voltage = wm8400_dcdc_set_voltage,
.get_mode = wm8400_dcdc_get_mode,
Expand All @@ -249,41 +269,47 @@ static struct regulator_desc regulators[] = {
.name = "LDO1",
.id = WM8400_LDO1,
.ops = &wm8400_ldo_ops,
.n_voltages = WM8400_LDO1_VSEL_MASK + 1,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
},
{
.name = "LDO2",
.id = WM8400_LDO2,
.ops = &wm8400_ldo_ops,
.n_voltages = WM8400_LDO2_VSEL_MASK + 1,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
},
{
.name = "LDO3",
.id = WM8400_LDO3,
.ops = &wm8400_ldo_ops,
.n_voltages = WM8400_LDO3_VSEL_MASK + 1,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
},
{
.name = "LDO4",
.id = WM8400_LDO4,
.ops = &wm8400_ldo_ops,
.n_voltages = WM8400_LDO4_VSEL_MASK + 1,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
},
{
.name = "DCDC1",
.id = WM8400_DCDC1,
.ops = &wm8400_dcdc_ops,
.n_voltages = WM8400_DC1_VSEL_MASK + 1,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
},
{
.name = "DCDC2",
.id = WM8400_DCDC2,
.ops = &wm8400_dcdc_ops,
.n_voltages = WM8400_DC2_VSEL_MASK + 1,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
},
Expand Down

0 comments on commit ea34edc

Please sign in to comment.