Class, struct, or union member in structure ff_device at include/linux/input.h, line 1595 References: drivers/hid/usbhid/hid-pidff.c, line 1314 drivers/input/ff-core.c, line 197 drivers/input/ff-core.c, line 293 drivers/input/ff-memless.c, line 529 drivers/input/joystick/iforce/iforce-main.c, line 442 drivers/input/misc/uinput.c, line 261 include/linux/input.h, line 1595 sound/ppc/beep.c, line 132 sound/ppc/beep.c, line 139 sound/soc/codecs/twl4030.c, line 2208 sound/soc/codecs/twl4030.c, line 2224 sound/soc/codecs/twl6040.c, line 1468 sound/soc/codecs/twl6040.c, line 1497 sound/soc/codecs/twl6040.c, line 1508 sound/soc/codecs/twl6040.c, line 1519 sound/soc/codecs/wm8962.c, line 3352