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| author | Marcus Folkesson <marcus.folkesson@gmail.com> | 2011-08-08 20:29:33 +0200 |
|---|---|---|
| committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2011-08-28 17:43:40 +0100 |
| commit | cc17ef3f0463ba17c8767578da8c4e5fbdd4b447 (patch) | |
| tree | 7d0402b71f4bdeac9bee9f0e6ca60b55cb2a3d3e /drivers/regulator | |
| parent | f068ad8cca7532bc42115d61489de00fe57c3909 (diff) | |
| download | kernel_samsung_smdk4412-cc17ef3f0463ba17c8767578da8c4e5fbdd4b447.zip kernel_samsung_smdk4412-cc17ef3f0463ba17c8767578da8c4e5fbdd4b447.tar.gz kernel_samsung_smdk4412-cc17ef3f0463ba17c8767578da8c4e5fbdd4b447.tar.bz2 | |
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')
| -rw-r--r-- | drivers/regulator/tps65023-regulator.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c index b912daa..11c9e1f 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) |