c1_area 2286 drivers/hid/hid-logitech-hidpp.c u8 c1_area = ((data[7] & 0xf) * (data[7] & 0xf) + c1_area 2298 drivers/hid/hid-logitech-hidpp.c .z = c1_area, c1_area 2299 drivers/hid/hid-logitech-hidpp.c .area = c1_area,