Use harcoded timer reset value for now

internal/usbgadget/hid_keyboard.go

@@ -168,14 +168,10 @@ func (u *UsbGadget) scheduleAutoRelease(key byte) {
 		u.kbdAutoReleaseTimers[key].Stop()
 	}
 
-	duration := u.kbdAutoReleaseTimerExtension
-	if duration == 0 {
-		duration = DefaultAutoReleaseDuration
-	}
-
-	u.log.Debug().Dur("duration", duration).Msg("autoRelease scheduled with duration")
-
-	u.kbdAutoReleaseTimers[key] = time.AfterFunc(duration, func() {
+	// TODO: make this configurable
+	// We currently hardcode the duration to 100ms
+	// However, it should be the same as the duration of the keep-alive reset called baseExtension.
+	u.kbdAutoReleaseTimers[key] = time.AfterFunc(100*time.Millisecond, func() {
 		u.performAutoRelease(key)
 	})
 }
@@ -204,8 +200,6 @@ func (u *UsbGadget) DelayAutoReleaseWithDuration(resetDuration time.Duration) {
 		return
 	}
 
-	u.kbdAutoReleaseTimerExtension = resetDuration
-
 	u.log.Debug().Dur("reset_duration", resetDuration).Msg("delaying auto-release with dynamic duration")
 
 	for _, timer := range u.kbdAutoReleaseTimers {

internal/usbgadget/usbgadget.go

@@ -70,7 +70,6 @@ type UsbGadget struct {
 
 	kbdAutoReleaseLock   sync.Mutex
 	kbdAutoReleaseTimers map[byte]*time.Timer
-	kbdAutoReleaseTimerExtension time.Duration
 
 	keyboardStateLock   sync.Mutex
 	keyboardStateCtx    context.Context
@@ -138,7 +137,6 @@ func newUsbGadget(name string, configMap map[string]gadgetConfigItem, enabledDev
 		keyboardState:        0,
 		keysDownState:        KeysDownState{Modifier: 0, Keys: []byte{0, 0, 0, 0, 0, 0}}, // must be initialized to hidKeyBufferSize (6) zero bytes
 		kbdAutoReleaseTimers: make(map[byte]*time.Timer),
-		kbdAutoReleaseTimerExtension: 0,
 		enabledDevices:       *enabledDevices,
 		lastUserInput:        time.Now(),
 		log:                  logger,