OpenCloudOS-Kernel/include
David Henningsson 08fdced60c ALSA: rawmidi: Add framing mode
This commit adds a new framing mode that frames all MIDI data into
32-byte frames with a timestamp.

The main benefit is that we can get accurate timestamps even if
userspace wakeup and processing is not immediate.

Testing on a Celeron N3150 with this mode has a max jitter of 2.8 ms,
compared to the in-kernel seq implementation which has a max jitter
of 5 ms during idle and much worse when running scheduler stress tests
in parallel.

Signed-off-by: David Henningsson <coding@diwic.se>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20210515071533.55332-1-coding@diwic.se
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-17 16:02:44 +02:00
..
acpi
asm-generic mm: remove xlate_dev_kmem_ptr() 2021-05-07 00:26:34 -07:00
clocksource
crypto
drm
dt-bindings Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2021-05-06 23:37:55 -07:00
keys integrity-v5.13 2021-05-01 15:32:18 -07:00
kunit
kvm
linux block-5.13-2021-05-09 2021-05-09 13:25:14 -07:00
math-emu
media
memory
misc
net Networking fixes for 5.13-rc1, including fixes from bpf, can 2021-05-08 08:31:46 -07:00
pcmcia
ras
rdma
scsi
soc
sound ALSA: rawmidi: Add framing mode 2021-05-17 16:02:44 +02:00
target
trace NFS client updates for Linux 5.13 2021-05-07 11:23:41 -07:00
uapi ALSA: rawmidi: Add framing mode 2021-05-17 16:02:44 +02:00
vdso
video
xen Merge branch 'akpm' (patches from Andrew) 2021-05-07 00:34:51 -07:00