regulator: s2mpa01: Don't check enable_shift before setting enable ramp rate

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 <axel.lin@ingics.com>
Acked-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/regulator/s2mpa01.c b/drivers/regulator/s2mpa01.c
index 808b3aa..f19a30f 100644 (file)
--- 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);