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-rw-r--r--drivers/extcon/extcon-max77693.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index 0574154a94a9..490e27475bac 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -255,10 +255,14 @@ static int max77693_muic_set_debounce_time(struct max77693_muic_info *info,
case ADC_DEBOUNCE_TIME_10MS:
case ADC_DEBOUNCE_TIME_25MS:
case ADC_DEBOUNCE_TIME_38_62MS:
- ret = regmap_update_bits(info->max77693->regmap_muic,
- MAX77693_MUIC_REG_CTRL3,
- CONTROL3_ADCDBSET_MASK,
- time << CONTROL3_ADCDBSET_SHIFT);
+ /*
+ * Don't touch BTLDset, JIGset when you want to change adc
+ * debounce time. If it writes other than 0 to BTLDset, JIGset
+ * muic device will be reset and loose current state.
+ */
+ ret = regmap_write(info->max77693->regmap_muic,
+ MAX77693_MUIC_REG_CTRL3,
+ time << CONTROL3_ADCDBSET_SHIFT);
if (ret) {
dev_err(info->dev, "failed to set ADC debounce time\n");
return ret;