HID: steelseries: export charging state for the SteelSeries Arctis 9 headset

The Arctis 9 headset provides the information if
the power cable is plugged in and charging via the battery report.
This information can be exported.

Signed-off-by: Christian Mayer <git@mayer-bgk.de>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Tested-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
This commit is contained in:
Christian Mayer 2025-01-12 11:44:04 +00:00 committed by Jiri Kosina
parent 6596be6217
commit 27c5438f5d

View File

@ -33,6 +33,7 @@ struct steelseries_device {
struct power_supply *battery;
uint8_t battery_capacity;
bool headset_connected;
bool battery_charging;
};
#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \
@ -450,9 +451,12 @@ static int steelseries_headset_battery_get_property(struct power_supply *psy,
val->intval = 1;
break;
case POWER_SUPPLY_PROP_STATUS:
val->intval = sd->headset_connected ?
POWER_SUPPLY_STATUS_DISCHARGING :
POWER_SUPPLY_STATUS_UNKNOWN;
if (sd->headset_connected) {
val->intval = sd->battery_charging ?
POWER_SUPPLY_STATUS_CHARGING :
POWER_SUPPLY_STATUS_DISCHARGING;
} else
val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
break;
case POWER_SUPPLY_PROP_SCOPE:
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
@ -514,6 +518,7 @@ static int steelseries_headset_battery_register(struct steelseries_device *sd)
/* avoid the warning of 0% battery while waiting for the first info */
steelseries_headset_set_wireless_status(sd->hdev, false);
sd->battery_capacity = 100;
sd->battery_charging = false;
sd->battery = devm_power_supply_register(&sd->hdev->dev,
&sd->battery_desc, &battery_cfg);
@ -646,6 +651,7 @@ static int steelseries_headset_raw_event(struct hid_device *hdev,
struct steelseries_device *sd = hid_get_drvdata(hdev);
int capacity = sd->battery_capacity;
bool connected = sd->headset_connected;
bool charging = sd->battery_charging;
unsigned long flags;
/* Not a headset */
@ -681,6 +687,7 @@ static int steelseries_headset_raw_event(struct hid_device *hdev,
if (read_buf[0] == 0xaa && read_buf[1] == 0x01) {
connected = true;
charging = read_buf[4] == 0x01;
/*
* Found no official documentation about min and max.
@ -693,6 +700,7 @@ static int steelseries_headset_raw_event(struct hid_device *hdev,
* there is no known status of the device read_buf[0] == 0x55
*/
connected = false;
charging = false;
}
}
@ -713,6 +721,15 @@ static int steelseries_headset_raw_event(struct hid_device *hdev,
power_supply_changed(sd->battery);
}
if (charging != sd->battery_charging) {
hid_dbg(sd->hdev,
"Battery charging status changed from %scharging to %scharging\n",
sd->battery_charging ? "" : "not ",
charging ? "" : "not ");
sd->battery_charging = charging;
power_supply_changed(sd->battery);
}
request_battery:
spin_lock_irqsave(&sd->lock, flags);
if (!sd->removed)