The regulator always on with high power mode if info->cfg->hwreq is set.
If we allow set idle mode when info->cfg->hwreq is set, get_mode() returns
REGULATOR_MODE_IDLE but the regulator actually is in REGULATOR_MODE_NORMAL mode.
This patch avoid inconsistent status return by get_mode().
Signed-off-by: Axel Lin <axel....@ingics.com>
---
drivers/regulator/ab8500-ext.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/regulator/ab8500-ext.c b/drivers/regulator/ab8500-ext.c
index 9aee21c..f0a1bbf 100644
--- a/drivers/regulator/ab8500-ext.c
+++ b/drivers/regulator/ab8500-ext.c
@@ -192,6 +192,10 @@ static int ab8500_ext_regulator_set_mode(struct
regulator_dev *rdev,
info->update_val = info->update_val_hp;
break;
case REGULATOR_MODE_IDLE:
+ /* Always on with high power mode if info->cfg->hwreq is set */
+ if (info->cfg && info->cfg->hwreq)
+ return -EINVAL;
+
info->update_val = info->update_val_lp;
break;
--
1.7.10.4
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