regulator: pwm: Use core functionality to delay after changing voltage
PATCH v4 2/4 regulator: pwm: Use core functionality to delay after changing voltage
Use the new set_voltage_time() op to calculate the stabilization time instead of duplicating the calculation in the core code.
Signed-off-by Matthias Kaehlcke <[email protected]>
---
Changes in v4:
- This patch is new for v4.
drivers/regulator/pwm-regulator.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-)
drivers/regulator/pwm-regulator.c +1 -9
@@ -194,12 +194,10 @@ static int pwm_regulator_set_voltage(struct regulator_dev *rdev,unsigned int min_uV_duty = drvdata->continuous.min_uV_dutycycle;unsigned int max_uV_duty = drvdata->continuous.max_uV_dutycycle;unsigned int duty_unit = drvdata->continuous.dutycycle_unit; -unsigned int ramp_delay = rdev->constraints->ramp_delay;int min_uV = rdev->constraints->min_uV;int max_uV = rdev->constraints->max_uV;int diff_uV = max_uV - min_uV;struct pwm_state pstate; -int old_uV =pwm_regulator_get_voltage (rdev);unsigned int diff_duty;unsigned int dutycycle;int ret;
@@ -233,13 +231,6 @@ static int pwm_regulator_set_voltage(struct regulator_dev *rdev,return ret; } -if ((ramp_delay ==0 ) || !pwm_regulator_is_enabled (rdev)) -return 0 ; - -/* Ramp delay is in uV/uS. Adjust to uS and delay */ - ramp_delay =DIV_ROUND_UP (abs (req_min_uV - old_uV), ramp_delay); -usleep_range (ramp_delay, ramp_delay +DIV_ROUND_UP (ramp_delay,10 )); -return 0 ; }
@@ -256,6 +247,7 @@ static struct regulator_ops pwm_regulator_voltage_table_ops = {static struct regulator_ops pwm_regulator_voltage_continuous_ops = { .get_voltage = pwm_regulator_get_voltage, .set_voltage = pwm_regulator_set_voltage, + .set_voltage_time = regulator_set_voltage_time_op, .enable = pwm_regulator_enable, .disable = pwm_regulator_disable, .is_enabled = pwm_regulator_is_enabled,
Signature · 1 line
2.8.0.rc3.226.g39d4020