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authorMarcus Folkesson <marcus.folkesson@gmail.com>2011-08-08 20:29:33 +0200
committerLiam Girdwood <lrg@slimlogic.co.uk>2011-08-28 17:43:40 +0100
commitcc17ef3f0463ba17c8767578da8c4e5fbdd4b447 (patch)
tree7d0402b71f4bdeac9bee9f0e6ca60b55cb2a3d3e /drivers/regulator/tps65023-regulator.c
parentf068ad8cca7532bc42115d61489de00fe57c3909 (diff)
downloadlinaro-lsk-cc17ef3f0463ba17c8767578da8c4e5fbdd4b447.tar.gz
regulator: tps65023: Set missing bit for update core-voltage
Setting the GO bit in CTRL2 for updating the core voltage Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'drivers/regulator/tps65023-regulator.c')
-rw-r--r--drivers/regulator/tps65023-regulator.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index b912daae9fa..11c9e1f1407 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -284,6 +284,7 @@ static int tps65023_dcdc_set_voltage(struct regulator_dev *dev,
struct tps_pmic *tps = rdev_get_drvdata(dev);
int dcdc = rdev_get_id(dev);
int vsel;
+ int ret;
if (dcdc != TPS65023_DCDC_1)
return -EINVAL;
@@ -306,11 +307,21 @@ static int tps65023_dcdc_set_voltage(struct regulator_dev *dev,
*selector = vsel;
- /* write to the register in case we found a match */
if (vsel == tps->info[dcdc]->table_len)
- return -EINVAL;
- else
- return tps_65023_reg_write(tps, TPS65023_REG_DEF_CORE, vsel);
+ goto failed;
+
+ ret = tps_65023_reg_write(tps, TPS65023_REG_DEF_CORE, vsel);
+
+ /* Tell the chip that we have changed the value in DEFCORE
+ * and its time to update the core voltage
+ */
+ tps_65023_set_bits(tps, TPS65023_REG_CON_CTRL2,
+ TPS65023_REG_CTRL2_GO);
+
+ return ret;
+
+failed:
+ return -EINVAL;
}
static int tps65023_ldo_get_voltage(struct regulator_dev *dev)