From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Linus Walleij <linus.walleij@stericsson.com>,
Bengt JONSSON <bengt.g.jonsson@stericsson.com>,
Sundar R Iyer <sundar.iyer@stericsson.com>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
Liam Girdwood <lrg@ti.com>
Subject: [PATCH RFT] regulator: Convert ab8500 to set_voltage_sel
Date: Tue, 20 Mar 2012 09:51:08 +0800 [thread overview]
Message-ID: <1332208268.10843.1.camel@phoenix> (raw)
Convert ab8500 to set_voltage_sel and then we can remove
ab8500_get_best_voltage_index function.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/regulator/ab8500.c | 35 ++++-------------------------------
1 files changed, 4 insertions(+), 31 deletions(-)
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index c7ee4c1..0d095b6 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -234,25 +234,8 @@ static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
return val;
}
-static int ab8500_get_best_voltage_index(struct regulator_dev *rdev,
- int min_uV, int max_uV)
-{
- struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
- int i;
-
- /* check the supported voltage */
- for (i = 0; i < info->voltages_len; i++) {
- if ((info->voltages[i] >= min_uV) &&
- (info->voltages[i] <= max_uV))
- return i;
- }
-
- return -EINVAL;
-}
-
-static int ab8500_regulator_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned *selector)
+static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
int ret;
struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
@@ -263,18 +246,8 @@ static int ab8500_regulator_set_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
- /* get the appropriate voltages within the range */
- ret = ab8500_get_best_voltage_index(rdev, min_uV, max_uV);
- if (ret < 0) {
- dev_err(rdev_get_dev(rdev),
- "couldn't get best voltage for regulator\n");
- return ret;
- }
-
- *selector = ret;
-
/* set the registers for the request */
- regval = (u8)ret;
+ regval = (u8)selector;
ret = abx500_mask_and_set_register_interruptible(info->dev,
info->voltage_bank, info->voltage_reg,
info->voltage_mask, regval);
@@ -319,7 +292,7 @@ static struct regulator_ops ab8500_regulator_ops = {
.disable = ab8500_regulator_disable,
.is_enabled = ab8500_regulator_is_enabled,
.get_voltage_sel = ab8500_regulator_get_voltage_sel,
- .set_voltage = ab8500_regulator_set_voltage,
+ .set_voltage_sel = ab8500_regulator_set_voltage_sel,
.list_voltage = ab8500_list_voltage,
.enable_time = ab8500_regulator_enable_time,
.set_voltage_time_sel = ab8500_regulator_set_voltage_time_sel,
--
1.7.5.4
next reply other threads:[~2012-03-20 1:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-20 1:51 Axel Lin [this message]
2012-03-20 12:00 ` [PATCH RFT] regulator: Convert ab8500 to set_voltage_sel Linus Walleij
2012-03-20 16:04 ` Mark Brown
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