Symbol: PID_DEVICE_GAIN
drivers/hid/usbhid/hid-pidff.c
1471
if (!PIDFF_FIND_FIELDS(device_gain, PID_DEVICE_GAIN, 1))
drivers/hid/usbhid/hid-pidff.c
692
hid_hw_request(pidff->hid, pidff->reports[PID_DEVICE_GAIN],