diff options
Diffstat (limited to 'drivers/regulator/wm8994-regulator.c')
| -rw-r--r-- | drivers/regulator/wm8994-regulator.c | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c index 03713bc66e4..35b2958d510 100644 --- a/drivers/regulator/wm8994-regulator.c +++ b/drivers/regulator/wm8994-regulator.c @@ -86,7 +86,7 @@ static int wm8994_ldo1_list_voltage(struct regulator_dev *rdev, return (selector * 100000) + 2400000; } -static int wm8994_ldo1_get_voltage(struct regulator_dev *rdev) +static int wm8994_ldo1_get_voltage_sel(struct regulator_dev *rdev) { struct wm8994_ldo *ldo = rdev_get_drvdata(rdev); int val; @@ -95,13 +95,11 @@ static int wm8994_ldo1_get_voltage(struct regulator_dev *rdev) if (val < 0) return val; - val = (val & WM8994_LDO1_VSEL_MASK) >> WM8994_LDO1_VSEL_SHIFT; - - return wm8994_ldo1_list_voltage(rdev, val); + return (val & WM8994_LDO1_VSEL_MASK) >> WM8994_LDO1_VSEL_SHIFT; } static int wm8994_ldo1_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV) + int min_uV, int max_uV, unsigned *s) { struct wm8994_ldo *ldo = rdev_get_drvdata(rdev); int selector, v; @@ -111,6 +109,7 @@ static int wm8994_ldo1_set_voltage(struct regulator_dev *rdev, if (v < 0 || v > max_uV) return -EINVAL; + *s = selector; selector <<= WM8994_LDO1_VSEL_SHIFT; return wm8994_set_bits(ldo->wm8994, WM8994_LDO_1, @@ -124,20 +123,29 @@ static struct regulator_ops wm8994_ldo1_ops = { .enable_time = wm8994_ldo_enable_time, .list_voltage = wm8994_ldo1_list_voltage, - .get_voltage = wm8994_ldo1_get_voltage, + .get_voltage_sel = wm8994_ldo1_get_voltage_sel, .set_voltage = wm8994_ldo1_set_voltage, }; 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) +static int wm8994_ldo2_get_voltage_sel(struct regulator_dev *rdev) { struct wm8994_ldo *ldo = rdev_get_drvdata(rdev); int val; @@ -146,22 +154,31 @@ static int wm8994_ldo2_get_voltage(struct regulator_dev *rdev) if (val < 0) return val; - val = (val & WM8994_LDO2_VSEL_MASK) >> WM8994_LDO2_VSEL_SHIFT; - - return wm8994_ldo2_list_voltage(rdev, val); + return (val & WM8994_LDO2_VSEL_MASK) >> WM8994_LDO2_VSEL_SHIFT; } static int wm8994_ldo2_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV) + int min_uV, int max_uV, unsigned *s) { 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; + *s = selector; selector <<= WM8994_LDO2_VSEL_SHIFT; return wm8994_set_bits(ldo->wm8994, WM8994_LDO_2, @@ -175,7 +192,7 @@ static struct regulator_ops wm8994_ldo2_ops = { .enable_time = wm8994_ldo_enable_time, .list_voltage = wm8994_ldo2_list_voltage, - .get_voltage = wm8994_ldo2_get_voltage, + .get_voltage_sel = wm8994_ldo2_get_voltage_sel, .set_voltage = wm8994_ldo2_set_voltage, }; |