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power: supply: bq2415x_charger: report charging state changes to userspace

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Continuously track the charging status register in order to send uevents
whenever the state changes. Generate an uevent also when the chip's OTG
line is toggled, in bq2415x_notifier_call().

Signed-off-by: Sicelo A. Mhlongo <absicsz@gmail.com>
Link: https://lore.kernel.org/r/20241128085759.11840-2-absicsz@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Sicelo A. Mhlongo
2024-11-28 10:57:28 +02:00
committed by Sebastian Reichel
parent 525f6a2c63
commit 5972da73f7
1 changed files with 10 additions and 0 deletions
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10
drivers/power/supply/bq2415x_charger.c
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@@ -171,6 +171,7 @@ struct bq2415x_device {
char *name;
int autotimer; /* 1 - if driver automatically reset timer, 0 - not */
int automode; /* 1 - enabled, 0 - disabled; -1 - not supported */
int charge_status;
int id;
};
@@ -835,6 +836,8 @@ static int bq2415x_notifier_call(struct notifier_block *nb,
if (!bq2415x_update_reported_mode(bq, prop.intval))
return NOTIFY_OK;
power_supply_changed(bq->charger);
/* if automode is not enabled do not tell about reported_mode */
if (bq->automode < 1)
return NOTIFY_OK;
@@ -889,12 +892,19 @@ static void bq2415x_timer_work(struct work_struct *work)
int ret;
int error;
int boost;
int charge;
if (bq->automode > 0 && (bq->reported_mode != bq->mode)) {
sysfs_notify(&bq->charger->dev.kobj, NULL, "reported_mode");
bq2415x_set_mode(bq, bq->reported_mode);
}
charge = bq2415x_exec_command(bq, BQ2415X_CHARGE_STATUS);
if (bq->charge_status != charge) {
power_supply_changed(bq->charger);
bq->charge_status = charge;
}
if (!bq->autotimer)
return;