Current code misses updating the register when enable_shift is 0. e.g. S2MPA01_BUCK4_RAMP_EN_SHIFT is 0.
Signed-off-by: Axel Lin <[email protected]> --- drivers/regulator/s2mpa01.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/drivers/regulator/s2mpa01.c b/drivers/regulator/s2mpa01.c index 808b3aa..f19a30f 100644 --- a/drivers/regulator/s2mpa01.c +++ b/drivers/regulator/s2mpa01.c @@ -192,13 +192,11 @@ static int s2mpa01_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) if (!ramp_enable) goto ramp_disable; - if (enable_shift) { - ret = regmap_update_bits(rdev->regmap, S2MPA01_REG_RAMP1, - 1 << enable_shift, 1 << enable_shift); - if (ret) { - dev_err(&rdev->dev, "failed to enable ramp rate\n"); - return ret; - } + ret = regmap_update_bits(rdev->regmap, S2MPA01_REG_RAMP1, + 1 << enable_shift, 1 << enable_shift); + if (ret) { + dev_err(&rdev->dev, "failed to enable ramp rate\n"); + return ret; } ramp_val = get_ramp_delay(ramp_delay); -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
