tree: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git topic/midi20-gadget head: 9d606002a91a37796ae62afc5e6667126314e21b commit: 0417de91e87de93793cd0d2cc4aef9062dc62f05 [58/62] usb: gadget: Add support for USB MIDI 2.0 function driver config: x86_64-buildonly-randconfig-r001-20230629 (https://download.01.org/0day-ci/archive/20230630/202306301830.QG614gSO-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230630/202306301830.QG614gSO-lkp@i...)

If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202306301830.QG614gSO-lkp@intel.com/

All errors (new ones prefixed by >>):

ld: drivers/usb/gadget/function/f_midi2.o: in function `f_midi2_create_card.constprop.0': f_midi2.c:(.text+0x35b6): undefined reference to `snd_ump_endpoint_new' ld: f_midi2.c:(.text+0x3bba): undefined reference to `snd_ump_block_new' ld: drivers/usb/gadget/function/f_midi2.o: in function `process_ump_stream_msg':

...

f_midi2.c:(.text+0x4b0f): undefined reference to `snd_ump_switch_protocol'

ld: drivers/usb/gadget/function/f_midi2.o: in function `f_midi2_ep_out_complete': f_midi2.c:(.text+0x598e): undefined reference to `snd_ump_receive_ump_val' ld: f_midi2.c:(.text+0x5b36): undefined reference to `snd_ump_receive' ld: drivers/usb/gadget/function/f_midi2.o: in function `process_ump_transmit': f_midi2.c:(.text+0x5de1): undefined reference to `snd_ump_transmit'