T4_PRM_FEED_CONFIG_4 465 drivers/hid/hid-alps.c ret = t4_read_write_register(hdev, T4_PRM_FEED_CONFIG_4, T4_PRM_FEED_CONFIG_4 647 drivers/hid/hid-alps.c ret = t4_read_write_register(hdev, T4_PRM_FEED_CONFIG_4, NULL,