Implement list_voltage for fixed regulators, otherwise
regulator_is_supported_voltage() returns 0.
Signed-off-by: Axel Lin <axel....@ingics.com>
---
 drivers/regulator/tps80031-regulator.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/tps80031-regulator.c 
b/drivers/regulator/tps80031-regulator.c
index 6d5f203..50f89b0 100644
--- a/drivers/regulator/tps80031-regulator.c
+++ b/drivers/regulator/tps80031-regulator.c
@@ -407,15 +407,18 @@ static struct regulator_ops tps80031_ldo_ops = {
 };
 
 static struct regulator_ops tps80031_vbus_sw_ops = {
+       .list_voltage   = regulator_list_voltage_linear,
        .enable         = tps80031_vbus_enable,
        .disable        = tps80031_vbus_disable,
        .is_enabled     = tps80031_vbus_is_enabled,
 };
 
 static struct regulator_ops tps80031_vbus_hw_ops = {
+       .list_voltage   = regulator_list_voltage_linear,
 };
 
 static struct regulator_ops tps80031_ext_reg_ops = {
+       .list_voltage   = regulator_list_voltage_linear,
        .enable         = tps80031_reg_enable,
        .disable        = tps80031_reg_disable,
        .is_enabled     = tps80031_reg_is_enabled,
@@ -477,7 +480,8 @@ static struct regulator_ops tps80031_ext_reg_ops = {
        .desc = {                                               \
                .name = "tps80031_"#_id,                        \
                .id = TPS80031_REGULATOR_##_id,                 \
-               .n_voltages = 2,                                \
+               .min_uV = max_mV * 1000,                        \
+               .n_voltages = 1,                                \
                .ops = &_ops,                                   \
                .type = REGULATOR_VOLTAGE,                      \
                .owner = THIS_MODULE,                           \
-- 
1.7.9.5



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