regulator: Update LDO2 for WM8958
Mark Brown [Mon, 13 Dec 2010 15:07:40 +0000 (15:07 +0000)]
LDO2 has a slightly different range of supported voltages on WM8958
so update the selector<->voltage mappings to match.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

drivers/regulator/wm8994-regulator.c

index 03713bc..21fefef 100644 (file)
@@ -131,10 +131,19 @@ static struct regulator_ops wm8994_ldo1_ops = {
 static int wm8994_ldo2_list_voltage(struct regulator_dev *rdev,
                                    unsigned int selector)
 {
+       struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
+
        if (selector > WM8994_LDO2_MAX_SELECTOR)
                return -EINVAL;
 
-       return (selector * 100000) + 900000;
+       switch (ldo->wm8994->type) {
+       case WM8994:
+               return (selector * 100000) + 900000;
+       case WM8958:
+               return (selector * 100000) + 1000000;
+       default:
+               return -EINVAL;
+       }
 }
 
 static int wm8994_ldo2_get_voltage(struct regulator_dev *rdev)
@@ -157,7 +166,17 @@ static int wm8994_ldo2_set_voltage(struct regulator_dev *rdev,
        struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
        int selector, v;
 
-       selector = (min_uV - 900000) / 100000;
+       switch (ldo->wm8994->type) {
+       case WM8994:
+               selector = (min_uV - 900000) / 100000;
+               break;
+       case WM8958:
+               selector = (min_uV - 1000000) / 100000;
+               break;
+       default:
+               return -EINVAL;
+       }
+
        v = wm8994_ldo2_list_voltage(rdev, selector);
        if (v < 0 || v > max_uV)
                return -EINVAL;