diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-12-13 15:07:40 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-12-13 17:36:10 +0000 |
| commit | 5a7743edac3d720a52e721229938d21d40f045ce (patch) | |
| tree | a2dd171afec5da22b9abf77544cb8c1755bc122d /drivers/regulator | |
| parent | 7d8316df44053687625eef792d53b3ac62e82248 (diff) | |
| download | talos-obmc-linux-5a7743edac3d720a52e721229938d21d40f045ce.tar.gz talos-obmc-linux-5a7743edac3d720a52e721229938d21d40f045ce.zip | |
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.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c index 03713bc66e4a..21fefef02a43 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; |
