From 073512336e6333ffcaabbb2b92f8e616db3a0789 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Fri, 24 Feb 2012 23:13:19 +0800 Subject: regulator: Set delay to 0 if set_voltage_time_sel callback returns error 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 Signed-off-by: Mark Brown --- drivers/regulator/core.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/regulator') diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 603e39f81ce..b97c4a25663 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1836,8 +1836,12 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev, if (ret < 0) return 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); + if (ret < 0) + rdev_warn(rdev, "set_voltage_time_sel() failed: %d\n", ret); + else + delay = ret; } if (best_val != INT_MAX) { -- cgit v1.2.3-18-g5258