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HID: Kysona: check battery status every 5s using a workqueue

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Use a workqueue to periodically check the battery status

Signed-off-by: Lode Willems <me@lodewillems.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
This commit is contained in:
Lode Willems 2024-10-05 13:57:05 +02:00 committed by Jiri Kosina
parent 30c32d0529
commit 94ec1cd82f
1 changed files with 30 additions and 1 deletions
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31
drivers/hid/hid-kysona.c
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@ -12,6 +12,8 @@
#include "hid-ids.h"
#define BATTERY_TIMEOUT_MS 5000
#define BATTERY_REPORT_ID 4
struct kysona_drvdata {
@ -21,6 +23,7 @@ struct kysona_drvdata {
u8 battery_capacity;
bool battery_charging;
u16 battery_voltage;
struct delayed_work battery_work;
};
static enum power_supply_property kysona_battery_props[] = {
@ -104,6 +107,17 @@ static void kysona_fetch_battery(struct hid_device *hdev)
"Battery query failed (err: %d)\n", ret);
}
static void kysona_battery_timer_tick(struct work_struct *work)
{
struct kysona_drvdata *drv_data = container_of(work,
struct kysona_drvdata, battery_work.work);
struct hid_device *hdev = drv_data->hdev;
kysona_fetch_battery(hdev);
schedule_delayed_work(&drv_data->battery_work,
msecs_to_jiffies(BATTERY_TIMEOUT_MS));
}
static int kysona_battery_probe(struct hid_device *hdev)
{
struct kysona_drvdata *drv_data = hid_get_drvdata(hdev);
@ -134,7 +148,11 @@ static int kysona_battery_probe(struct hid_device *hdev)
}
power_supply_powers(drv_data->battery, &hdev->dev);
INIT_DELAYED_WORK(&drv_data->battery_work, kysona_battery_timer_tick);
kysona_fetch_battery(hdev);
schedule_delayed_work(&drv_data->battery_work,
msecs_to_jiffies(BATTERY_TIMEOUT_MS));
return ret;
}
@ -188,6 +206,16 @@ static int kysona_raw_event(struct hid_device *hdev,
return 0;
}
static void kysona_remove(struct hid_device *hdev)
{
struct kysona_drvdata *drv_data = hid_get_drvdata(hdev);
if (drv_data->battery)
cancel_delayed_work_sync(&drv_data->battery_work);
hid_hw_stop(hdev);
}
static const struct hid_device_id kysona_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_KYSONA, USB_DEVICE_ID_KYSONA_M600_DONGLE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KYSONA, USB_DEVICE_ID_KYSONA_M600_WIRED) },
@ -199,7 +227,8 @@ static struct hid_driver kysona_driver = {
.name = "kysona",
.id_table = kysona_devices,
.probe = kysona_probe,
.raw_event = kysona_raw_event
.raw_event = kysona_raw_event,
.remove = kysona_remove
};
module_hid_driver(kysona_driver);