Current code overrides control1 variable when setting ramp delay bits.
Fix it by just setting ramp_delay bits.
Signed-off-by: Axel Lin <axel....@ingics.com>
---
drivers/regulator/max8973-regulator.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/regulator/max8973-regulator.c
b/drivers/regulator/max8973-regulator.c
index 9a8ea91..adb1414 100644
--- a/drivers/regulator/max8973-regulator.c
+++ b/drivers/regulator/max8973-regulator.c
@@ -274,15 +274,15 @@ static int max8973_init_dcdc(struct max8973_chip *max,
if (pdata->reg_init_data &&
pdata->reg_init_data->constraints.ramp_delay) {
if (pdata->reg_init_data->constraints.ramp_delay < 25000)
- control1 = MAX8973_RAMP_12mV_PER_US;
+ control1 |= MAX8973_RAMP_12mV_PER_US;
else if (pdata->reg_init_data->constraints.ramp_delay < 50000)
- control1 = MAX8973_RAMP_25mV_PER_US;
+ control1 |= MAX8973_RAMP_25mV_PER_US;
else if (pdata->reg_init_data->constraints.ramp_delay < 200000)
- control1 = MAX8973_RAMP_50mV_PER_US;
+ control1 |= MAX8973_RAMP_50mV_PER_US;
else
- control1 = MAX8973_RAMP_200mV_PER_US;
+ control1 |= MAX8973_RAMP_200mV_PER_US;
} else {
- control1 = MAX8973_RAMP_12mV_PER_US;
+ control1 |= MAX8973_RAMP_12mV_PER_US;
max->desc.ramp_delay = 12500;
}
--
1.7.10.4
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