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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-12-13 15:07:40 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-12-13 17:36:10 +0000
commit5a7743edac3d720a52e721229938d21d40f045ce (patch)
treea2dd171afec5da22b9abf77544cb8c1755bc122d /drivers/regulator
parent7d8316df44053687625eef792d53b3ac62e82248 (diff)
downloadop-kernel-dev-5a7743edac3d720a52e721229938d21d40f045ce.zip
op-kernel-dev-5a7743edac3d720a52e721229938d21d40f045ce.tar.gz
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>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/wm8994-regulator.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 03713bc..21fefef 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -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;
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