GET_RES 696 sound/usb/usbmixer.c if (get_ctl_value(cval, GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) { GET_RES 706 sound/usb/usbmixer.c if (get_ctl_value(cval, GET_RES, (cval->control << 8) | minchn, &cval->res) < 0)