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sbs: add delayed work to refresh the data

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This commit is contained in:
Saleem Abdulrasool
2011-02-01 21:06:33 -08:00
parent ba4bddc525
commit d6bc5bf05f
1 changed files with 23 additions and 2 deletions
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25
drivers/power/sbs.c
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@@ -100,6 +100,10 @@ static unsigned int cache_time = 10000;
module_param(cache_time, uint, 0644);
MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
static unsigned int i2c_settle_time = 1500;
module_param(i2c_settle_time, uint, 0644);
MODULE_PARM_DESC(i2c_settle_time, "i2c settle time in milliseconds");
enum sbs_irq {
SBS_IRQ_BATTERY_ALERT,
@@ -153,6 +157,8 @@ struct sbs_battery {
struct power_supply mains;
struct sbs_irq_request irq_requests[SBS_IRQS];
struct delayed_work refresh;
};
struct sbs_battery_register {
@@ -638,10 +644,24 @@ static irqreturn_t sbs_battery_presence_changed(int irq, void *data)
DEBUG("battery %s\n", present ? "inserted" : "removed");
}
power_supply_changed(&batt->battery);
schedule_delayed_work(&batt->refresh,
msecs_to_jiffies(i2c_settle_time));
return IRQ_HANDLED;
}
static void sbs_refresh_battery_info(struct work_struct *work)
{
struct sbs_battery * const batt =
container_of(work, struct sbs_battery, refresh.work);
if (!batt->platform->battery_insertion_status ||
batt->platform->battery_insertion_status())
sbs_get_battery_info(batt);
power_supply_changed(&batt->battery);
}
static int __devinit sbs_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -687,7 +707,8 @@ static int __devinit sbs_probe(struct i2c_client *client,
if (sbs_request_irqs(batt) < 0)
goto irq_request_failure;
sbs_get_battery_info(batt);
INIT_DELAYED_WORK(&batt->refresh, sbs_refresh_battery_info);
schedule_delayed_work(&batt->refresh, 0);
return 0;