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power: supply: cpcap-battery: Fix low battery check 

We need to check current instead of the charge counter to see if
a charger is connected. The charge counter shows the cumulated value
instead of the current charge current and can be negative or positive.

Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Tony Lindgren 2019-04-07 11:12:49 -07:00 committed by Sebastian Reichel
parent 6f76aa94e1
commit 1a9aadc86a
1 changed files with 2 additions and 2 deletions
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4
drivers/power/supply/cpcap-battery.c
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@ -562,11 +562,11 @@ static irqreturn_t cpcap_battery_irq_thread(int irq, void *data)
switch (d->action) {
case CPCAP_BATTERY_IRQ_ACTION_BATTERY_LOW:
if (latest->counter_uah >= 0)
if (latest->current_ua >= 0)
dev_warn(ddata->dev, "Battery low at 3.3V!\n");
break;
case CPCAP_BATTERY_IRQ_ACTION_POWEROFF:
if (latest->counter_uah >= 0) {
if (latest->current_ua >= 0) {
dev_emerg(ddata->dev,
"Battery empty at 3.1V, powering off\n");
orderly_poweroff(true);