1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only
2 config SND_SEQUENCER 2 config SND_SEQUENCER
3 tristate "Sequencer support" 3 tristate "Sequencer support"
4 select SND_TIMER 4 select SND_TIMER
5 select SND_SEQ_DEVICE 5 select SND_SEQ_DEVICE
6 help 6 help
7 Say Y or M to enable MIDI sequencer 7 Say Y or M to enable MIDI sequencer and router support. This
8 feature allows routing and enqueuein 8 feature allows routing and enqueueing of MIDI events. Events
9 can be processed at a given time. 9 can be processed at a given time.
10 10
11 Many programs require this feature, 11 Many programs require this feature, so you should enable it
12 unless you know what you're doing. 12 unless you know what you're doing.
13 13
14 if SND_SEQUENCER 14 if SND_SEQUENCER
15 15
16 config SND_SEQ_DUMMY 16 config SND_SEQ_DUMMY
17 tristate "Sequencer dummy client" 17 tristate "Sequencer dummy client"
18 help 18 help
19 Say Y here to enable the dummy seque 19 Say Y here to enable the dummy sequencer client. This client
20 is a simple MIDI-through client: all 20 is a simple MIDI-through client: all normal input events are
21 redirected to the output port immedi 21 redirected to the output port immediately.
22 22
23 You don't need this unless you want 23 You don't need this unless you want to connect many MIDI
24 devices or applications together. 24 devices or applications together.
25 25
26 To compile this driver as a module, 26 To compile this driver as a module, choose M here: the module
27 will be called snd-seq-dummy. 27 will be called snd-seq-dummy.
28 28
29 config SND_SEQUENCER_OSS 29 config SND_SEQUENCER_OSS
30 tristate "OSS Sequencer API" 30 tristate "OSS Sequencer API"
31 depends on SND_OSSEMUL 31 depends on SND_OSSEMUL
32 select SND_SEQ_MIDI_EVENT 32 select SND_SEQ_MIDI_EVENT
33 help 33 help
34 Say Y here to enable OSS sequencer e 34 Say Y here to enable OSS sequencer emulation (both
35 /dev/sequencer and /dev/music interf 35 /dev/sequencer and /dev/music interfaces).
36 36
37 Many programs still use the OSS API, 37 Many programs still use the OSS API, so say Y.
38 38
39 To compile this driver as a module, 39 To compile this driver as a module, choose M here: the module
40 will be called snd-seq-oss. 40 will be called snd-seq-oss.
41 41
42 config SND_SEQ_HRTIMER_DEFAULT 42 config SND_SEQ_HRTIMER_DEFAULT
43 bool "Use HR-timer as default sequence 43 bool "Use HR-timer as default sequencer timer"
44 depends on SND_HRTIMER 44 depends on SND_HRTIMER
45 default y 45 default y
46 help 46 help
47 Say Y here to use the HR-timer backe 47 Say Y here to use the HR-timer backend as the default sequencer
48 timer. 48 timer.
49 49
50 config SND_SEQ_MIDI_EVENT 50 config SND_SEQ_MIDI_EVENT
51 tristate 51 tristate
52 52
53 config SND_SEQ_MIDI 53 config SND_SEQ_MIDI
54 def_tristate SND_RAWMIDI 54 def_tristate SND_RAWMIDI
55 select SND_SEQ_MIDI_EVENT 55 select SND_SEQ_MIDI_EVENT
56 56
57 config SND_SEQ_MIDI_EMUL 57 config SND_SEQ_MIDI_EMUL
58 tristate 58 tristate
59 59
60 config SND_SEQ_VIRMIDI 60 config SND_SEQ_VIRMIDI
61 tristate 61 tristate
62 62
63 config SND_SEQ_UMP 63 config SND_SEQ_UMP
64 bool "Support for UMP events" 64 bool "Support for UMP events"
65 default y if SND_SEQ_UMP_CLIENT 65 default y if SND_SEQ_UMP_CLIENT
66 help 66 help
67 Say Y here to enable the support for 67 Say Y here to enable the support for handling UMP (Universal MIDI
68 Packet) events via ALSA sequencer in 68 Packet) events via ALSA sequencer infrastructure, which is an
69 essential feature for enabling MIDI 69 essential feature for enabling MIDI 2.0 support.
70 It includes the automatic conversion 70 It includes the automatic conversion of ALSA sequencer events
71 among legacy and UMP clients. 71 among legacy and UMP clients.
72 72
73 config SND_SEQ_UMP_CLIENT 73 config SND_SEQ_UMP_CLIENT
74 def_tristate SND_UMP 74 def_tristate SND_UMP
75 75
76 endif # SND_SEQUENCER 76 endif # SND_SEQUENCER
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.