From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>
Subject: [PATCH] regulator: Convert max8952 to set_voltage_sel
Date: Mon, 26 Mar 2012 09:20:58 +0800 [thread overview]
Message-ID: <1332724858.7078.1.camel@phoenix> (raw)
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/regulator/max8952.c | 28 +++++++---------------------
1 files changed, 7 insertions(+), 21 deletions(-)
diff --git a/drivers/regulator/max8952.c b/drivers/regulator/max8952.c
index e9c0a0e..c35236a 100644
--- a/drivers/regulator/max8952.c
+++ b/drivers/regulator/max8952.c
@@ -130,11 +130,10 @@ static int max8952_get_voltage(struct regulator_dev *rdev)
return max8952_voltage(max8952, vid);
}
-static int max8952_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
+static int max8952_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
struct max8952_data *max8952 = rdev_get_drvdata(rdev);
- s8 vid = -1, i;
if (!gpio_is_valid(max8952->pdata->gpio_vid0) ||
!gpio_is_valid(max8952->pdata->gpio_vid1)) {
@@ -142,23 +141,10 @@ static int max8952_set_voltage(struct regulator_dev *rdev,
return -EPERM;
}
- for (i = 0; i < MAX8952_NUM_DVS_MODE; i++) {
- int volt = max8952_voltage(max8952, i);
-
- /* Set the voltage as low as possible within the range */
- if (volt <= max_uV && volt >= min_uV)
- if (vid == -1 || max8952_voltage(max8952, vid) > volt)
- vid = i;
- }
-
- if (vid >= 0 && vid < MAX8952_NUM_DVS_MODE) {
- max8952->vid0 = vid & 0x1;
- max8952->vid1 = (vid >> 1) & 0x1;
- *selector = vid;
- gpio_set_value(max8952->pdata->gpio_vid0, max8952->vid0);
- gpio_set_value(max8952->pdata->gpio_vid1, max8952->vid1);
- } else
- return -EINVAL;
+ max8952->vid0 = selector & 0x1;
+ max8952->vid1 = (selector >> 1) & 0x1;
+ gpio_set_value(max8952->pdata->gpio_vid0, max8952->vid0);
+ gpio_set_value(max8952->pdata->gpio_vid1, max8952->vid1);
return 0;
}
@@ -169,7 +155,7 @@ static struct regulator_ops max8952_ops = {
.enable = max8952_enable,
.disable = max8952_disable,
.get_voltage = max8952_get_voltage,
- .set_voltage = max8952_set_voltage,
+ .set_voltage_sel = max8952_set_voltage_sel,
.set_suspend_disable = max8952_disable,
};
--
1.7.5.4
next reply other threads:[~2012-03-26 1:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-26 1:20 Axel Lin [this message]
2012-03-26 17:30 ` [PATCH] regulator: Convert max8952 to set_voltage_sel Mark Brown
-- strict thread matches above, loose matches on Subject: below --
2012-03-26 4:39 함명주
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