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Commit e841a36a authored by Axel Lin's avatar Axel Lin Committed by Mark Brown
Browse files

regulator: Fix setting low power mode for wm831x aldo 



Set BIT[8] of LDO7 ON Control mode for low power mode.

R16507 (407Bh)  LDO7 ON Control
BIT[8] LDO7_ON_MODE: LDO7 ON Operating Mode
        0 = Normal mode
        1 = Low Power mode

Signed-off-by: default avatarAxel Lin <axel.lin@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent fa5a97bb

drivers/regulator/wm831x-ldo.c

+2 −5
Original line number Diff line number Diff line
@@ -506,22 +506,19 @@ static int wm831x_aldo_set_mode(struct regulator_dev *rdev, 
{

	struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);

	struct wm831x *wm831x = ldo->wm831x;

	int ctrl_reg = ldo->base + WM831X_LDO_CONTROL;

	int on_reg = ldo->base + WM831X_LDO_ON_CONTROL;

	int ret;





	switch (mode) {

	case REGULATOR_MODE_NORMAL:

		ret = wm831x_set_bits(wm831x, on_reg,

				      WM831X_LDO7_ON_MODE, 0);

		ret = wm831x_set_bits(wm831x, on_reg, WM831X_LDO7_ON_MODE, 0);

		if (ret < 0)

			return ret;

		break;



	case REGULATOR_MODE_IDLE:

		ret = wm831x_set_bits(wm831x, ctrl_reg,

				      WM831X_LDO7_ON_MODE,

		ret = wm831x_set_bits(wm831x, on_reg, WM831X_LDO7_ON_MODE,

				      WM831X_LDO7_ON_MODE);

		if (ret < 0)

			return ret;