> > To which kernel version should I apply it? > > Because: > > > > folkert@oensoens:~/linux-5.11.0$ patch -p1 < ~/alsa-patch.diff > > patching file sound/core/seq/seq_ports.c > > patching file sound/core/seq/seq_ports.h > > patching file sound/core/seq/seq_ports.c > > Hunk #1 succeeded at 526 (offset 12 lines). > > Hunk #2 succeeded at 538 (offset 12 lines). > > Hunk #3 succeeded at 547 with fuzz 2 (offset 12 lines). > > Hunk #4 FAILED at 602. > > 1 out of 4 hunks FAILED -- saving rejects to file sound/core/seq/seq_ports.c.rej > > Did you scratch the previous patch? AFAIK, the latest patch should be > applicable to 5.11 and older cleanly. I did. It also fails on 5.13.7.