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| author | Axel Lin <axel.lin@gmail.com> | 2012-03-15 15:53:05 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-26 18:31:34 +0100 |
| commit | 09bf14b901f2c1908b6a72fe934457acdd1fa430 (patch) | |
| tree | ba2e96e91db5f0859d5e8642c83544813579383f /drivers/regulator | |
| parent | 51579137c500362018b5341f5dca47807ed558aa (diff) | |
| download | talos-op-linux-09bf14b901f2c1908b6a72fe934457acdd1fa430.tar.gz talos-op-linux-09bf14b901f2c1908b6a72fe934457acdd1fa430.zip | |
regulator: Fix set and get current limit for wm831x_buckv
WM831X_DC1_HC_THR_MASK is 0x0070.
We need to do proper shift for setting and getting current limit.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/wm831x-dcdc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index 4904a40b0d46..3044001f3cf6 100644 --- a/drivers/regulator/wm831x-dcdc.c +++ b/drivers/regulator/wm831x-dcdc.c @@ -386,7 +386,8 @@ static int wm831x_buckv_set_current_limit(struct regulator_dev *rdev, if (i == ARRAY_SIZE(wm831x_dcdc_ilim)) return -EINVAL; - return wm831x_set_bits(wm831x, reg, WM831X_DC1_HC_THR_MASK, i); + return wm831x_set_bits(wm831x, reg, WM831X_DC1_HC_THR_MASK, + i << WM831X_DC1_HC_THR_SHIFT); } static int wm831x_buckv_get_current_limit(struct regulator_dev *rdev) @@ -400,7 +401,8 @@ static int wm831x_buckv_get_current_limit(struct regulator_dev *rdev) if (val < 0) return val; - return wm831x_dcdc_ilim[val & WM831X_DC1_HC_THR_MASK]; + val = (val & WM831X_DC1_HC_THR_MASK) >> WM831X_DC1_HC_THR_SHIFT; + return wm831x_dcdc_ilim[val]; } static struct regulator_ops wm831x_buckv_ops = { |
