$ LANG=C sudo pacman -S alsa-firmware
resolving dependencies...
looking for inter-conflicts...

Packages (1):

Name                 New Version  Net Change

extra/alsa-firmware  1.0.27-1      12.72 MiB

Total Installed Size:   12.72 MiB

:: Proceed with installation? [Y/n] y
(1/1) checking keys in keyring                     [----------------------] 100%
(1/1) checking package integrity                   [----------------------] 100%
(1/1) loading package files                        [----------------------] 100%
(1/1) checking for file conflicts                  [----------------------] 100%
error: failed to commit transaction (conflicting files)
alsa-firmware: /usr/lib/firmware/ctefx.bin exists in filesystem
alsa-firmware: /usr/lib/firmware/ctspeq.bin exists in filesystem
Errors occurred, no packages were upgraded.
$