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regulator: xz3216: add resume function

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enable sleep vol when resume, if not reboot will failed after sleep out
by vdd_cpu off

Signed-off-by: Zorro Liu <lyx@rock-chips.com>
Change-Id: If56bc9894abb37b771ed1097e0deb73c679cc315
This commit is contained in:
Zorro Liu
2021-09-16 18:19:12 +08:00
committed by Tao Huang
parent 5f47c9f404
commit 9f1d22a8f0
1 changed files with 15 additions and 0 deletions
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15
drivers/regulator/xz3216.c
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@ -216,6 +216,20 @@ static int xz3216_dcdc_set_suspend_mode(struct regulator_dev *dev,
}
}
static int xz3216_resume(struct regulator_dev *rdev)
{
int ret;
if (!rdev->constraints->state_mem.changeable)
return 0;
ret = xz3216_dcdc_suspend_enable(rdev);
if (ret)
return ret;
return regulator_suspend_enable(rdev, PM_SUSPEND_MEM);
}
static const int slew_rates[] = {
64000,
32000,
@ -263,6 +277,7 @@ static struct regulator_ops xz3216_dcdc_ops = {
.set_suspend_mode = xz3216_dcdc_set_suspend_mode,
.set_ramp_delay = xz3216_set_ramp,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
.resume = xz3216_resume,
};
static int xz3216_regulator_register(struct xz3216 *xz3216, struct regulator_config *config)