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Subject[PATCH 1/7] power: supply: axp20x_ac_power: Allow offlining
Date
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.

Signed-off-by: Samuel Holland <samuel@sholland.org>
---
drivers/power/supply/axp20x_ac_power.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/power/supply/axp20x_ac_power.c b/drivers/power/supply/axp20x_ac_power.c
index 0d34a932b6d5..4410e7b89383 100644
--- a/drivers/power/supply/axp20x_ac_power.c
+++ b/drivers/power/supply/axp20x_ac_power.c
@@ -23,6 +23,8 @@
#define AXP20X_PWR_STATUS_ACIN_PRESENT BIT(7)
#define AXP20X_PWR_STATUS_ACIN_AVAIL BIT(6)

+#define AXP813_ACIN_PATH_SELECT BIT(7)
+
#define AXP813_VHOLD_MASK GENMASK(5, 3)
#define AXP813_VHOLD_UV_TO_BIT(x) ((((x) / 100000) - 40) << 3)
#define AXP813_VHOLD_REG_TO_UV(x) \
@@ -143,6 +145,11 @@ 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_SELECT,
+ !!val->intval);
+
case POWER_SUPPLY_PROP_VOLTAGE_MIN:
if (val->intval < 4000000 || val->intval > 4700000)
return -EINVAL;
@@ -169,7 +176,8 @@ 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;
}

--
2.23.0
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