linux-kernel - [PATCH 2/2] regulator: pfuze100: add .is_enable() for pfuze100_swb_regulator

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Date:   Thu, 17 May 2018 15:27:22 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     lgirdwood@...il.com, broonie@...nel.org
Cc:     Linux-imx@....com, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] 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@....com>
---
 drivers/regulator/pfuze100-regulator.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index 053eb1e..677a070 100644
--- 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,
-- 
2.7.4