EP1_CMD_GET_DEVICE_INFO 134 sound/usb/caiaq/caiaq-device.c case EP1_CMD_GET_DEVICE_INFO: EP1_CMD_GET_DEVICE_INFO 399 sound/usb/caiaq/caiaq-device.c err = snd_usb_caiaq_send_command(dev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);