[PATCH 2/2] HID: input: report battery status changes immediately
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STALE438d
From: José Expósito <hidden>
Date: 2025-08-04 09:12:31
Also in:
lkml
Subsystem:
hid core layer, the rest · Maintainers:
Jiri Kosina, Benjamin Tissoires, Linus Torvalds
When the battery status changes, report the change immediately to user
space.
Fixes: a608dc1c0639 ("HID: input: map battery system charging")
Reported-by: 卢国宏 <redacted>
Closes: https://lore.kernel.org/linux-input/aI49Im0sGb6fpgc8@fedora/T/ (local)
Signed-off-by: José Expósito <redacted>
---
drivers/hid/hid-input.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 262787e6eb20..277538a17b57 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c@@ -609,13 +609,19 @@ static bool hidinput_update_battery_charge_status(struct hid_device *dev, return false; } -static void hidinput_update_battery(struct hid_device *dev, int value) +static void hidinput_update_battery(struct hid_device *dev, unsigned int usage, + int value) { int capacity; if (!dev->battery) return; + if (hidinput_update_battery_charge_status(dev, usage, value)) { + power_supply_changed(dev->battery); + return; + } + if (value == 0 || value < dev->battery_min || value > dev->battery_max) return;
@@ -648,7 +654,8 @@ static bool hidinput_update_battery_charge_status(struct hid_device *dev, return false; } -static void hidinput_update_battery(struct hid_device *dev, int value) +static void hidinput_update_battery(struct hid_device *dev, unsigned int usage, + int value) { } #endif /* CONFIG_HID_BATTERY_STRENGTH */
@@ -1515,11 +1522,7 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct return; if (usage->type == EV_PWR) { - bool handled = hidinput_update_battery_charge_status(hid, usage->hid, value); - - if (!handled) - hidinput_update_battery(hid, value); - + hidinput_update_battery(hid, usage->hid, value); return; }
--
2.50.1