diff options
Diffstat (limited to 'drivers/regulator/ab8500.c')
| -rw-r--r-- | drivers/regulator/ab8500.c | 53 |
1 files changed, 33 insertions, 20 deletions
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c index 109ce3dcf533..279793e26d94 100644 --- a/drivers/regulator/ab8500.c +++ b/drivers/regulator/ab8500.c @@ -589,39 +589,52 @@ static int ab8540_aux3_regulator_set_voltage_sel(struct regulator_dev *rdev, { int ret; struct ab8500_regulator_info *info = rdev_get_drvdata(rdev); - u8 regval; + u8 regval, regval_expand; if (info == NULL) { dev_err(rdev_get_dev(rdev), "regulator info null pointer\n"); return -EINVAL; } - if (selector >= info->expand_register.voltage_limit) { - /* Vaux3 bit4 has different layout */ - regval = (u8)selector << info->expand_register.voltage_shift; - ret = abx500_mask_and_set_register_interruptible(info->dev, - info->expand_register.voltage_bank, - info->expand_register.voltage_reg, - info->expand_register.voltage_mask, - regval); - } else { - /* set the registers for the request */ + if (selector < info->expand_register.voltage_limit) { regval = (u8)selector << info->voltage_shift; ret = abx500_mask_and_set_register_interruptible(info->dev, - info->voltage_bank, info->voltage_reg, - info->voltage_mask, regval); + info->voltage_bank, info->voltage_reg, + info->voltage_mask, regval); + if (ret < 0) { + dev_err(rdev_get_dev(rdev), + "couldn't set voltage reg for regulator\n"); + return ret; + } + + dev_vdbg(rdev_get_dev(rdev), + "%s-set_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n", + info->desc.name, info->voltage_bank, info->voltage_reg, + info->voltage_mask, regval); + + regval_expand = 0; + } else { + regval_expand = info->expand_register.voltage_mask; } - if (ret < 0) + + ret = abx500_mask_and_set_register_interruptible(info->dev, + info->expand_register.voltage_bank, + info->expand_register.voltage_reg, + info->expand_register.voltage_mask, + regval_expand); + if (ret < 0) { dev_err(rdev_get_dev(rdev), - "couldn't set voltage reg for regulator\n"); + "couldn't set expand voltage reg for regulator\n"); + return ret; + } dev_vdbg(rdev_get_dev(rdev), - "%s-set_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x," - " 0x%x\n", - info->desc.name, info->voltage_bank, info->voltage_reg, - info->voltage_mask, regval); + "%s-set_voltage expand (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n", + info->desc.name, info->expand_register.voltage_bank, + info->expand_register.voltage_reg, + info->expand_register.voltage_mask, regval_expand); - return ret; + return 0; } static struct regulator_ops ab8500_regulator_volt_mode_ops = { |