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power: supply: axp20x_ac_power: Allow offlining

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AXP803/AXP813 have a flag that enables/disables the AC power supply
input. Allow control of this flag via the ONLINE property on those
variants.

Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Samuel Holland 2020-01-12 21:53:04 -06:00 committed by Sebastian Reichel
parent 1c51aad847
commit ddfec18b42
1 changed files with 8 additions and 1 deletions
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9
drivers/power/supply/axp20x_ac_power.c
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@ -24,6 +24,7 @@
#define AXP20X_PWR_STATUS_ACIN_AVAIL BIT(6)
#define AXP813_ACIN_PATH_SEL BIT(7)
#define AXP813_ACIN_PATH_SEL_TO_BIT(x) (!!(x) << 7)
#define AXP813_VHOLD_MASK GENMASK(5, 3)
#define AXP813_VHOLD_UV_TO_BIT(x) ((((x) / 100000) - 40) << 3)
@ -157,6 +158,11 @@ static int axp813_ac_power_set_property(struct power_supply *psy,
struct axp20x_ac_power *power = power_supply_get_drvdata(psy);
switch (psp) {
case POWER_SUPPLY_PROP_ONLINE:
return regmap_update_bits(power->regmap, AXP813_ACIN_PATH_CTRL,
AXP813_ACIN_PATH_SEL,
AXP813_ACIN_PATH_SEL_TO_BIT(val->intval));
case POWER_SUPPLY_PROP_VOLTAGE_MIN:
if (val->intval < 4000000 || val->intval > 4700000)
return -EINVAL;
@ -183,7 +189,8 @@ static int axp813_ac_power_set_property(struct power_supply *psy,
static int axp813_ac_power_prop_writeable(struct power_supply *psy,
enum power_supply_property psp)
{
return psp == POWER_SUPPLY_PROP_VOLTAGE_MIN ||
return psp == POWER_SUPPLY_PROP_ONLINE ||
psp == POWER_SUPPLY_PROP_VOLTAGE_MIN ||
psp == POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT;
}