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regulator: Set delay to 0 if set_voltage_time_sel callback returns error

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rdev->desc->ops->set_voltage_time_sel may return negative error code.
Set delay to 0 and also show warning if set_voltage_time_sel returns error.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2012-02-24 23:13:19 +08:00 committed by Mark Brown
parent 2475143444
commit 073512336e
1 changed files with 5 additions and 1 deletions
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6
drivers/regulator/core.c
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@ -1836,8 +1836,12 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
if (ret < 0) if (ret < 0)
return ret; return ret;
old_selector = ret; old_selector = ret;
delay = rdev->desc->ops->set_voltage_time_sel(rdev, ret = rdev->desc->ops->set_voltage_time_sel(rdev,
old_selector, selector); old_selector, selector);
if (ret < 0)
rdev_warn(rdev, "set_voltage_time_sel() failed: %d\n", ret);
else
delay = ret;
} }
if (best_val != INT_MAX) { if (best_val != INT_MAX) {