Gitweb: http://git.kernel.org/linus/c1b60873ca2078bfca94b73bc88ef1c5adcc928b
Commit: c1b60873ca2078bfca94b73bc88ef1c5adcc928b
Parent: ed6543243a1c557dbe2005a86f6d8e851c1ebb79
Author: Haojian Zhuang <haojian.zhuang@marvell.com>
AuthorDate: Fri Jul 10 16:03:36 2009 +0800
Committer: Liam Girdwood <lrg@slimlogic.co.uk>
CommitDate: Tue Sep 22 13:32:38 2009 +0100
regulator: support list voltage in da903x
Make da903x driver to list voltage and count voltage.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
drivers/regulator/da903x.c | 36 +++++++++++++++++++++++++++++++++++-
1 files changed, 35 insertions(+), 1 deletions(-)
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c
index d8d251f..236de11 100644
--- a/drivers/regulator/da903x.c
+++ b/drivers/regulator/da903x.c
@@ -87,6 +87,10 @@ struct da903x_regulator_info {
int enable_bit;
};
+static int da9034_ldo12_data[] = { 1700, 1750, 1800, 1850, 1900, 1950,
+ 2000, 2050, 2700, 2750, 2800, 2850,
+ 2900, 2950, 3000, 3050 };
+
static inline struct device *to_da903x_dev(struct regulator_dev *rdev)
{
return rdev_get_dev(rdev)->parent->parent;
@@ -170,6 +174,17 @@ static int da903x_is_enabled(struct regulator_dev *rdev)
return !!(reg_val & (1 << info->enable_bit));
}
+static int da903x_list_voltage(struct regulator_dev *rdev, unsigned selector)
+{
+ struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
+ int ret;
+
+ ret = info->min_uV + info->step_uV * selector;
+ if (ret > info->max_uV)
+ return -EINVAL;
+ return ret;
+}
+
/* DA9030 specific operations */
static int da9030_set_ldo1_15_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV)
@@ -313,9 +328,18 @@ static int da9034_get_ldo12_voltage(struct regulator_dev *rdev)
...
