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Subject[PATCH] TWL4030: Make sure the regulator is active after calling twl4030reg_enable
Date
This patch makes sure a regulator is active when enabled. After a warm reboot, only adding
a regulator to a power group is not enough to activate it.

Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
---
drivers/regulator/twl4030-regulator.c | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/twl4030-regulator.c b/drivers/regulator/twl4030-regulator.c
index df9a94b..80a4e10 100644
--- a/drivers/regulator/twl4030-regulator.c
+++ b/drivers/regulator/twl4030-regulator.c
@@ -177,14 +177,21 @@ static int twl4030reg_is_enabled(struct regulator_dev *rdev)
static int twl4030reg_enable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
- int grp;
+ int grp, status;
+ unsigned message;

grp = twl4030reg_read(info, VREG_GRP);
if (grp < 0)
return grp;

grp |= P1_GRP;
- return twl4030reg_write(info, VREG_GRP, grp);
+ status = twl4030reg_write(info, VREG_GRP, grp);
+ if (status < 0)
+ return status;
+
+ message = MSG_SINGULAR(DEV_GRP_P1, info->id, RES_STATE_ACTIVE);
+
+ return twl4030_send_pb_msg(message);
}

static int twl4030reg_disable(struct regulator_dev *rdev)
--
1.5.6.3


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