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regulator: anatop: Fix wrong mask used in anatop_get_voltage_sel
The mask used in anatop_get_voltage_sel does not match the mask used in anatop_set_voltage_sel. We need to do left shift anatop_reg->vol_bit_shift bits for the correct mask. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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1 changed files with 3 additions and 2 deletions
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@ -64,14 +64,15 @@ static int anatop_set_voltage_sel(struct regulator_dev *reg, unsigned selector)
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static int anatop_get_voltage_sel(struct regulator_dev *reg)
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static int anatop_get_voltage_sel(struct regulator_dev *reg)
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{
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{
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struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
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struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
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u32 val;
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u32 val, mask;
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if (!anatop_reg->control_reg)
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if (!anatop_reg->control_reg)
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return -ENOTSUPP;
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return -ENOTSUPP;
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val = anatop_read_reg(anatop_reg->mfd, anatop_reg->control_reg);
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val = anatop_read_reg(anatop_reg->mfd, anatop_reg->control_reg);
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val = (val & ((1 << anatop_reg->vol_bit_width) - 1)) >>
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mask = ((1 << anatop_reg->vol_bit_width) - 1) <<
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anatop_reg->vol_bit_shift;
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anatop_reg->vol_bit_shift;
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val = (val & mask) >> anatop_reg->vol_bit_shift;
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return val - anatop_reg->min_bit_val;
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return val - anatop_reg->min_bit_val;
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}
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}
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