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-rw-r--r--drivers/regulator/s2mpa01.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/regulator/s2mpa01.c b/drivers/regulator/s2mpa01.c
index f19a30f0fb42..cab1a2b9efc5 100644
--- a/drivers/regulator/s2mpa01.c
+++ b/drivers/regulator/s2mpa01.c
@@ -192,11 +192,15 @@ static int s2mpa01_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
if (!ramp_enable)
goto ramp_disable;
- 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 delay can be enabled/disabled only for buck[1234] */
+ if (rdev_get_id(rdev) >= S2MPA01_BUCK1 &&
+ rdev_get_id(rdev) <= S2MPA01_BUCK4) {
+ 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);