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regulator: Update LDO2 for WM8958 

LDO2 has a slightly different range of supported voltages on WM8958
so update the selector<->voltage mappings to match.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2010-12-13 15:07:40 +00:00
parent 7d8316df44
commit 5a7743edac
1 changed files with 21 additions and 2 deletions
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23
drivers/regulator/wm8994-regulator.c
View File

@ -131,10 +131,19 @@ static struct regulator_ops wm8994_ldo1_ops = {
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)
@ -157,7 +166,17 @@ static int wm8994_ldo2_set_voltage(struct regulator_dev *rdev,
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;