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path: root/drivers/regulator/twl-regulator.c
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Diffstat (limited to 'drivers/regulator/twl-regulator.c')
-rw-r--r--drivers/regulator/twl-regulator.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 181a2cf..e5d2223 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -755,12 +755,16 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
case 0:
if (min_uV == 0)
vsel = 0;
- else if ((min_uV >= 600000) && (max_uV <= 1300000)) {
+ else if ((min_uV >= 600000) && (min_uV <= 1300000)) {
+ int calc_uV;
vsel = (min_uV - 600000) / 125;
if (vsel % 100)
vsel += 100;
vsel /= 100;
vsel++;
+ calc_uV = twl6030smps_list_voltage(rdev, vsel);
+ if (calc_uV > max_uV)
+ return -EINVAL;
}
/* Values 1..57 for vsel are linear and can be calculated
* values 58..62 are non linear.
@@ -781,12 +785,16 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
case SMPS_OFFSET_EN:
if (min_uV == 0)
vsel = 0;
- else if ((min_uV >= 700000) && (max_uV <= 1420000)) {
+ else if ((min_uV >= 700000) && (min_uV <= 1420000)) {
+ int calc_uV;
vsel = (min_uV - 700000) / 125;
if (vsel % 100)
vsel += 100;
vsel /= 100;
vsel++;
+ calc_uV = twl6030smps_list_voltage(rdev, vsel);
+ if (calc_uV > max_uV)
+ return -EINVAL;
}
/* Values 1..57 for vsel are linear and can be calculated
* values 58..62 are non linear.
@@ -819,7 +827,7 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
if (min_uV == 0)
vsel = 0;
else if ((min_uV >= 2161000) && (max_uV <= 4321000)) {
- vsel = (min_uV - 1852000) / 386;
+ vsel = (min_uV - 2161000) / 386;
if (vsel % 100)
vsel += 100;
vsel /= 100;
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