Re: [PATCH] regulator: Convert max8952 to set_voltage_sel
From: 함명주
Date: Mon Mar 26 2012 - 00:39:49 EST
> Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
Acked-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>
> ---
> 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
>
--
MyungJoo Ham (함명주), PHD
System S/W Lab, S/W Platform Team, Software Center
Samsung Electronics
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