diff mbox series

[v2,3/9] power: supply: axp20x_ac_power: Allow offlining

Message ID 20200105012416.23296-4-samuel@sholland.org
State New
Headers show
Series [v2,1/9] mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile | expand

Commit Message

Samuel Holland Jan. 5, 2020, 1:24 a.m. UTC 
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 | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/power/supply/axp20x_ac_power.c b/drivers/power/supply/axp20x_ac_power.c
index ca0a28f72a27..bc2663cd47fa 100644
--- a/drivers/power/supply/axp20x_ac_power.c
+++ b/drivers/power/supply/axp20x_ac_power.c
@@ -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;
 }