regulator: pfuze100: add .is_enable() for pfuze100_swb_regulator_ops

If is_enabled() is not defined, regulator core will assume
this regulator is already enabled, then it can NOT be really
enabled after disabled.

Based on Li Jun's patch from the NXP kernel tree.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index 053eb1ecf18daa25ce08e0093b66db2c4db604d0..677a070eeb1c51febbc13d2b90c90e0265d74758 100644 (file)
--- a/drivers/regulator/pfuze100-regulator.c
+++ b/drivers/regulator/pfuze100-regulator.c
@@ -168,6 +168,7 @@ static const struct regulator_ops pfuze100_sw_regulator_ops = {
 static const struct regulator_ops pfuze100_swb_regulator_ops = {
        .enable = regulator_enable_regmap,
        .disable = regulator_disable_regmap,
+       .is_enabled = regulator_is_enabled_regmap,
        .list_voltage = regulator_list_voltage_table,
        .map_voltage = regulator_map_voltage_ascend,
        .set_voltage_sel = regulator_set_voltage_sel_regmap,