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authorMichał Mirosław <mirq-linux@rere.qmqm.pl>2020-05-04 21:47:45 +0200
committerSebastian Reichel <sebastian.reichel@collabora.com>2020-05-10 23:41:53 +0200
commit3b4df57bef695a41a23feb1017263be5f5f8d51c (patch)
tree348c53bc64a773c0ddc7ee5109bcbc94105efcb4
parent21d90eda433f5d39930ca7133340225b8fb7940f (diff)
power: bq25890: update state on property read
Edge interrupts from the charger may be lost or stuck in fault mode since probe(). Check if something changed everytime userspace wants some data. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
-rw-r--r--drivers/power/supply/bq25890_charger.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c
index c9f7877ded95..be9de68a3fc2 100644
--- a/drivers/power/supply/bq25890_charger.c
+++ b/drivers/power/supply/bq25890_charger.c
@@ -387,6 +387,8 @@ static bool bq25890_is_adc_property(enum power_supply_property psp)
}
}
+static irqreturn_t __bq25890_handle_irq(struct bq25890_device *bq);
+
static int bq25890_power_supply_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
@@ -397,6 +399,8 @@ static int bq25890_power_supply_get_property(struct power_supply *psy,
int ret;
mutex_lock(&bq->lock);
+ /* update state in case we lost an interrupt */
+ __bq25890_handle_irq(bq);
state = bq->state;
do_adc_conv = !state.online && bq25890_is_adc_property(psp);
if (do_adc_conv)