[PATCH v5 5/6] power: supply: sbs-battery: Add alert callback.

Phil Reid
2016-09-21T08:41:13Z

To simplify the sbs-manager code and notification of battery removal
use the i2c alert callback to notify the sbs-battery driver that an
event has occurred.

Signed-off-by: Phil Reid <preid@electromag.com.au>
---
drivers/power/supply/sbs-battery.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c
index d15ce9e..b1284e6 100644
--- a/drivers/power/supply/sbs-battery.c
+++ b/drivers/power/supply/sbs-battery.c
@@ -674,21 +674,30 @@ done:
return 0;
}

-static irqreturn_t sbs_irq(int irq, void *devid)
+static void sbs_supply_changed(struct sbs_info *chip)
{
- struct sbs_info *chip = devid;
struct power_supply *battery = chip->power_supply;
int ret;

ret = gpiod_get_value_cansleep(chip->gpio_detect);
if (ret < 0)
- return ret;
+ return;
chip->is_present = ret;
power_supply_changed(battery);
+}

+static irqreturn_t sbs_irq(int irq, void *devid)
+{
+ sbs_supply_changed(devid);
return IRQ_HANDLED;
}

+void sbs_alert(struct i2c_client *client, enum i2c_alert_protocol prot,
+ unsigned int data)
+{
+ sbs_supply_changed(i2c_get_clientdata(client));
+}
+
static void sbs_external_power_changed(struct power_supply *psy)
{
struct sbs_info *chip = power_supply_get_drvdata(psy);
@@ -916,6 +925,7 @@ MODULE_DEVICE_TABLE(of, sbs_dt_ids);
static struct i2c_driver sbs_battery_driver = {
.probe = sbs_probe,
.remove = sbs_remove,
+ .alert = sbs_alert,
.id_table = sbs_id,
.driver = {
.name = "sbs-battery",
--
1.8.3.1