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power: supply: axp288_charger: Fix constant_charge_voltage writes

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commit b34ce4a59cfe9cd0d6f870e6408e8ec88a964585 upstream.

info->max_cv is in millivolts, divide the microvolt value being written
to constant_charge_voltage by 1000 *before* clamping it to info->max_cv.

Before this fix the code always tried to set constant_charge_voltage
to max_cv / 1000 = 4 millivolt, which ends up in setting it to 4.1V
which is the lowest supported value.

Fixes: 843735b788 ("power: axp288_charger: axp288 charger driver")
Cc: [email protected]
Signed-off-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Sebastian Reichel <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Hans de Goede 2024-07-17 22:03:32 +02:00 • committed by Greg Kroah-Hartman
commit 1031a0e7c2
1 changed files with 2 additions and 2 deletions
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4
drivers/power/supply/axp288_charger.c
View file

@ -371,8 +371,8 @@ static int axp288_charger_usb_set_property(struct power_supply *psy,
dev_warn(&info->pdev->dev, "set charge current failed\n");
break;
case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
scaled_val = min(val->intval, info->max_cv);
scaled_val = DIV_ROUND_CLOSEST(scaled_val, 1000);
scaled_val = DIV_ROUND_CLOSEST(val->intval, 1000);
scaled_val = min(scaled_val, info->max_cv);
ret = axp288_charger_set_cv(info, scaled_val);
if (ret < 0)
dev_warn(&info->pdev->dev, "set charge voltage failed\n");