diff options
| -rw-r--r-- | drivers/regulator/max77802.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/regulator/max77802.c b/drivers/regulator/max77802.c index d89792b084e9..26f6963108e3 100644 --- a/drivers/regulator/max77802.c +++ b/drivers/regulator/max77802.c @@ -49,6 +49,8 @@ #define MAX77802_RAMP_RATE_MASK_4BIT 0xF0 #define MAX77802_RAMP_RATE_SHIFT_4BIT 4 +#define MAX77802_OFF_PWRREQ 0x1 + /* MAX77802 has two register formats: 2-bit and 4-bit */ static const unsigned int ramp_table_77802_2bit[] = { 12500, @@ -83,17 +85,16 @@ static int max77802_get_opmode_shift(int id) return -EINVAL; } -/* - * Some BUCKS supports Normal[ON/OFF] mode during suspend +/** + * max77802_set_suspend_disable - Disable the regulator during system suspend + * @rdev: regulator to mark as disabled * - * BUCK 1, 6, 2-4, 5, 7-10 (all) - * - * The other mode (0x02) will make PWRREQ switch between normal - * and low power. + * All regulators expect LDO 1, 3, 20 and 21 support OFF by PWRREQ. + * Configure the regulator so the PMIC will turn it OFF during system suspend. */ -static int max77802_buck_set_suspend_disable(struct regulator_dev *rdev) +static int max77802_set_suspend_disable(struct regulator_dev *rdev) { - unsigned int val = MAX77802_OPMODE_STANDBY; + unsigned int val = MAX77802_OFF_PWRREQ; struct max77802_regulator_prv *max77802 = rdev_get_drvdata(rdev); int id = rdev_get_id(rdev); int shift = max77802_get_opmode_shift(id); @@ -178,6 +179,9 @@ static int max77802_enable(struct regulator_dev *rdev) int id = rdev_get_id(rdev); int shift = max77802_get_opmode_shift(id); + if (max77802->opmode[id] == MAX77802_OFF_PWRREQ) + max77802->opmode[id] = MAX77802_OPMODE_NORMAL; + return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, rdev->desc->enable_mask, max77802->opmode[id] << shift); @@ -247,6 +251,8 @@ static struct regulator_ops max77802_ldo_ops_logic1 = { .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, .set_voltage_time_sel = regulator_set_voltage_time_sel, + .set_suspend_enable = max77802_enable, + .set_suspend_disable = max77802_set_suspend_disable, .set_suspend_mode = max77802_ldo_set_suspend_mode_logic1, }; @@ -276,7 +282,8 @@ static struct regulator_ops max77802_buck_16_dvs_ops = { .set_voltage_sel = regulator_set_voltage_sel_regmap, .set_voltage_time_sel = regulator_set_voltage_time_sel, .set_ramp_delay = max77802_set_ramp_delay_4bit, - .set_suspend_disable = max77802_buck_set_suspend_disable, + .set_suspend_enable = max77802_enable, + .set_suspend_disable = max77802_set_suspend_disable, }; /* BUCKs 2-4, 5, 7-10 */ @@ -290,7 +297,8 @@ static struct regulator_ops max77802_buck_dvs_ops = { .set_voltage_sel = regulator_set_voltage_sel_regmap, .set_voltage_time_sel = regulator_set_voltage_time_sel, .set_ramp_delay = max77802_set_ramp_delay_2bit, - .set_suspend_disable = max77802_buck_set_suspend_disable, + .set_suspend_enable = max77802_enable, + .set_suspend_disable = max77802_set_suspend_disable, }; /* LDOs 3-7, 9-14, 18-26, 28, 29, 32-34 */ |