From 0a4796896bda399a63090dad267896ea93d44fa7 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 12 Jun 2012 10:46:43 +0800 Subject: regulator: wm831x-ldo: Convert to regulator_set_voltage_sel_regmap and map_voltage Signed-off-by: Axel Lin Signed-off-by: Mark Brown --- drivers/regulator/wm831x-ldo.c | 129 ++++++++++++----------------------------- 1 file changed, 38 insertions(+), 91 deletions(-) (limited to 'drivers/regulator') diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c index f23d020e9503..04d8a413c260 100644 --- a/drivers/regulator/wm831x-ldo.c +++ b/drivers/regulator/wm831x-ldo.c @@ -78,13 +78,10 @@ static int wm831x_gp_ldo_list_voltage(struct regulator_dev *rdev, return -EINVAL; } -static int wm831x_gp_ldo_set_voltage_int(struct regulator_dev *rdev, int reg, - int min_uV, int max_uV, - unsigned *selector) +static int wm831x_gp_ldo_map_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) { - struct wm831x_ldo *ldo = rdev_get_drvdata(rdev); - struct wm831x *wm831x = ldo->wm831x; - int vsel, ret; + int volt, vsel; if (min_uV < 900000) vsel = 0; @@ -94,36 +91,25 @@ static int wm831x_gp_ldo_set_voltage_int(struct regulator_dev *rdev, int reg, vsel = ((min_uV - 1700000) / 100000) + WM831X_GP_LDO_SELECTOR_LOW + 1; - ret = wm831x_gp_ldo_list_voltage(rdev, vsel); - if (ret < 0) - return ret; - if (ret < min_uV || ret > max_uV) + volt = wm831x_gp_ldo_list_voltage(rdev, vsel); + if (volt < min_uV || volt > max_uV) return -EINVAL; - *selector = vsel; - - return wm831x_set_bits(wm831x, reg, WM831X_LDO1_ON_VSEL_MASK, vsel); -} - -static int wm831x_gp_ldo_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV, - unsigned *selector) -{ - struct wm831x_ldo *ldo = rdev_get_drvdata(rdev); - int reg = ldo->base + WM831X_LDO_ON_CONTROL; - - return wm831x_gp_ldo_set_voltage_int(rdev, reg, min_uV, max_uV, - selector); + return vsel; } static int wm831x_gp_ldo_set_suspend_voltage(struct regulator_dev *rdev, int uV) { struct wm831x_ldo *ldo = rdev_get_drvdata(rdev); - int reg = ldo->base + WM831X_LDO_SLEEP_CONTROL; - unsigned int selector; + struct wm831x *wm831x = ldo->wm831x; + int sel, reg = ldo->base + WM831X_LDO_SLEEP_CONTROL; - return wm831x_gp_ldo_set_voltage_int(rdev, reg, uV, uV, &selector); + sel = wm831x_gp_ldo_map_voltage(rdev, uV, uV); + if (sel < 0) + return sel; + + return wm831x_set_bits(wm831x, reg, WM831X_LDO1_ON_VSEL_MASK, sel); } static unsigned int wm831x_gp_ldo_get_mode(struct regulator_dev *rdev) @@ -243,8 +229,9 @@ static unsigned int wm831x_gp_ldo_get_optimum_mode(struct regulator_dev *rdev, static struct regulator_ops wm831x_gp_ldo_ops = { .list_voltage = wm831x_gp_ldo_list_voltage, + .map_voltage = wm831x_gp_ldo_map_voltage, .get_voltage_sel = regulator_get_voltage_sel_regmap, - .set_voltage = wm831x_gp_ldo_set_voltage, + .set_voltage_sel = regulator_set_voltage_sel_regmap, .set_suspend_voltage = wm831x_gp_ldo_set_suspend_voltage, .get_mode = wm831x_gp_ldo_get_mode, .set_mode = wm831x_gp_ldo_set_mode, @@ -384,13 +371,10 @@ static int wm831x_aldo_list_voltage(struct regulator_dev *rdev, return -EINVAL; } -static int wm831x_aldo_set_voltage_int(struct regulator_dev *rdev, int reg, - int min_uV, int max_uV, - unsigned *selector) +static int wm831x_aldo_map_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) { - struct wm831x_ldo *ldo = rdev_get_drvdata(rdev); - struct wm831x *wm831x = ldo->wm831x; - int vsel, ret; + int volt, vsel; if (min_uV < 1000000) vsel = 0; @@ -400,35 +384,26 @@ static int wm831x_aldo_set_voltage_int(struct regulator_dev *rdev, int reg, vsel = ((min_uV - 1700000) / 100000) + WM831X_ALDO_SELECTOR_LOW + 1; - ret = wm831x_aldo_list_voltage(rdev, vsel); - if (ret < 0) - return ret; - if (ret < min_uV || ret > max_uV) + volt = wm831x_aldo_list_voltage(rdev, vsel); + if (volt < min_uV || volt > max_uV) return -EINVAL; - *selector = vsel; - - return wm831x_set_bits(wm831x, reg, WM831X_LDO7_ON_VSEL_MASK, vsel); -} - -static int wm831x_aldo_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV, unsigned *selector) -{ - struct wm831x_ldo *ldo = rdev_get_drvdata(rdev); - int reg = ldo->base + WM831X_LDO_ON_CONTROL; + return vsel; - return wm831x_aldo_set_voltage_int(rdev, reg, min_uV, max_uV, - selector); } static int wm831x_aldo_set_suspend_voltage(struct regulator_dev *rdev, int uV) { struct wm831x_ldo *ldo = rdev_get_drvdata(rdev); - int reg = ldo->base + WM831X_LDO_SLEEP_CONTROL; - unsigned int selector; + struct wm831x *wm831x = ldo->wm831x; + int sel, reg = ldo->base + WM831X_LDO_SLEEP_CONTROL; + + sel = wm831x_aldo_map_voltage(rdev, uV, uV); + if (sel < 0) + return sel; - return wm831x_aldo_set_voltage_int(rdev, reg, uV, uV, &selector); + return wm831x_set_bits(wm831x, reg, WM831X_LDO7_ON_VSEL_MASK, sel); } static unsigned int wm831x_aldo_get_mode(struct regulator_dev *rdev) @@ -506,8 +481,9 @@ static int wm831x_aldo_get_status(struct regulator_dev *rdev) static struct regulator_ops wm831x_aldo_ops = { .list_voltage = wm831x_aldo_list_voltage, + .map_voltage = wm831x_aldo_map_voltage, .get_voltage_sel = regulator_get_voltage_sel_regmap, - .set_voltage = wm831x_aldo_set_voltage, + .set_voltage_sel = regulator_set_voltage_sel_regmap, .set_suspend_voltage = wm831x_aldo_set_suspend_voltage, .get_mode = wm831x_aldo_get_mode, .set_mode = wm831x_aldo_set_mode, @@ -628,47 +604,18 @@ static struct platform_driver wm831x_aldo_driver = { #define WM831X_ALIVE_LDO_MAX_SELECTOR 0xf -static int wm831x_alive_ldo_set_voltage_int(struct regulator_dev *rdev, - int reg, - int min_uV, int max_uV, - unsigned *selector) -{ - struct wm831x_ldo *ldo = rdev_get_drvdata(rdev); - struct wm831x *wm831x = ldo->wm831x; - int vsel, ret; - - vsel = (min_uV - 800000) / 50000; - - ret = regulator_list_voltage_linear(rdev, vsel); - if (ret < 0) - return ret; - if (ret < min_uV || ret > max_uV) - return -EINVAL; - - *selector = vsel; - - return wm831x_set_bits(wm831x, reg, WM831X_LDO11_ON_VSEL_MASK, vsel); -} - -static int wm831x_alive_ldo_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV, - unsigned *selector) -{ - struct wm831x_ldo *ldo = rdev_get_drvdata(rdev); - int reg = ldo->base + WM831X_ALIVE_LDO_ON_CONTROL; - - return wm831x_alive_ldo_set_voltage_int(rdev, reg, min_uV, max_uV, - selector); -} - static int wm831x_alive_ldo_set_suspend_voltage(struct regulator_dev *rdev, int uV) { struct wm831x_ldo *ldo = rdev_get_drvdata(rdev); - int reg = ldo->base + WM831X_ALIVE_LDO_SLEEP_CONTROL; - unsigned selector; + struct wm831x *wm831x = ldo->wm831x; + int sel, reg = ldo->base + WM831X_ALIVE_LDO_SLEEP_CONTROL; + + sel = regulator_map_voltage_linear(rdev, uV, uV); + if (sel < 0) + return sel; - return wm831x_alive_ldo_set_voltage_int(rdev, reg, uV, uV, &selector); + return wm831x_set_bits(wm831x, reg, WM831X_LDO11_ON_VSEL_MASK, sel); } static int wm831x_alive_ldo_get_status(struct regulator_dev *rdev) @@ -692,7 +639,7 @@ static struct regulator_ops wm831x_alive_ldo_ops = { .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, .get_voltage_sel = regulator_get_voltage_sel_regmap, - .set_voltage = wm831x_alive_ldo_set_voltage, + .set_voltage_sel = regulator_set_voltage_sel_regmap, .set_suspend_voltage = wm831x_alive_ldo_set_suspend_voltage, .get_status = wm831x_alive_ldo_get_status, -- cgit v1.2.3