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authorPhil Reid <preid@electromag.com.au>2017-05-01 16:49:58 +0800
committerSebastian Reichel <sre@kernel.org>2017-05-01 14:28:19 +0200
commitcda3b01368391b48728b7edbbac0ca873b514367 (patch)
tree61030f202f70adace342d72283ddc073016d8e3f /drivers/power
parentcad87f097ca2d56093145c4becd487f5c186a612 (diff)
downloadlinux-cda3b01368391b48728b7edbbac0ca873b514367.tar.bz2
power: supply: sbs-battery: Add alert callback
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> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/supply/sbs-battery.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c
index 171c701a2d49..e3a114e60f1a 100644
--- a/drivers/power/supply/sbs-battery.c
+++ b/drivers/power/supply/sbs-battery.c
@@ -701,21 +701,30 @@ 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;
}
+static 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);
@@ -936,6 +945,7 @@ 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",