CP_2WHEEL_MOUSE_HACK_ON 79 drivers/hid/hid-cypress.c quirks |= CP_2WHEEL_MOUSE_HACK_ON; CP_2WHEEL_MOUSE_HACK_ON 81 drivers/hid/hid-cypress.c quirks &= ~CP_2WHEEL_MOUSE_HACK_ON; CP_2WHEEL_MOUSE_HACK_ON 86 drivers/hid/hid-cypress.c if (usage->code == REL_WHEEL && (quirks & CP_2WHEEL_MOUSE_HACK_ON)) {