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1What: /sys/kernel/config/most_<component>
2Date: March 8, 2019
3KernelVersion: 5.2
4Description: Interface is used to configure and connect device channels
5 to component drivers.
6
7 Attributes are visible only when configfs is mounted. To mount
8 configfs in /sys/kernel/config directory use:
9 # mount -t configfs none /sys/kernel/config/
10
11
12What: /sys/kernel/config/most_cdev/<link>
13Date: March 8, 2019
14KernelVersion: 5.2
15Description:
16 The attributes:
17
18 buffer_size
19 configure the buffer size for this channel
20
21 subbuffer_size
22 configure the sub-buffer size for this channel
23 (needed for synchronous and isochronous data)
24
25
26 num_buffers
27 configure number of buffers used for this
28 channel
29
30 datatype
31 configure type of data that will travel over
32 this channel
33
34 direction
35 configure whether this link will be an input
36 or output
37
38 dbr_size
39 configure DBR data buffer size (this is used
40 for MediaLB communication only)
41
42 packets_per_xact
43 configure the number of packets that will be
44 collected from the network before being
45 transmitted via USB (this is used for USB
46 communication only)
47
48 device
49 name of the device the link is to be attached to
50
51 channel
52 name of the channel the link is to be attached to
53
54 comp_params
55 pass parameters needed by some components
56
57 create_link
58 write '1' to this attribute to trigger the
59 creation of the link. In case of speculative
60 configuration, the creation is post-poned until
61 a physical device is being attached to the bus.
62
63 destroy_link
64 write '1' to this attribute to destroy an
65 active link
66
67What: /sys/kernel/config/most_video/<link>
68Date: March 8, 2019
69KernelVersion: 5.2
70Description:
71 The attributes:
72
73 buffer_size
74 configure the buffer size for this channel
75
76 subbuffer_size
77 configure the sub-buffer size for this channel
78 (needed for synchronous and isochronous data)
79
80
81 num_buffers
82 configure number of buffers used for this
83 channel
84
85 datatype
86 configure type of data that will travel over
87 this channel
88
89 direction
90 configure whether this link will be an input
91 or output
92
93 dbr_size
94 configure DBR data buffer size (this is used
95 for MediaLB communication only)
96
97 packets_per_xact
98 configure the number of packets that will be
99 collected from the network before being
100 transmitted via USB (this is used for USB
101 communication only)
102
103 device
104 name of the device the link is to be attached to
105
106 channel
107 name of the channel the link is to be attached to
108
109 comp_params
110 pass parameters needed by some components
111
112 create_link
113 write '1' to this attribute to trigger the
114 creation of the link. In case of speculative
115 configuration, the creation is post-poned until
116 a physical device is being attached to the bus.
117
118 destroy_link
119 write '1' to this attribute to destroy an
120 active link
121
122What: /sys/kernel/config/most_net/<link>
123Date: March 8, 2019
124KernelVersion: 5.2
125Description:
126 The attributes:
127
128 buffer_size
129 configure the buffer size for this channel
130
131 subbuffer_size
132 configure the sub-buffer size for this channel
133 (needed for synchronous and isochronous data)
134
135
136 num_buffers
137 configure number of buffers used for this
138 channel
139
140 datatype
141 configure type of data that will travel over
142 this channel
143
144 direction
145 configure whether this link will be an input
146 or output
147
148 dbr_size
149 configure DBR data buffer size (this is used
150 for MediaLB communication only)
151
152 packets_per_xact
153 configure the number of packets that will be
154 collected from the network before being
155 transmitted via USB (this is used for USB
156 communication only)
157
158 device
159 name of the device the link is to be attached to
160
161 channel
162 name of the channel the link is to be attached to
163
164 comp_params
165 pass parameters needed by some components
166
167 create_link
168 write '1' to this attribute to trigger the
169 creation of the link. In case of speculative
170 configuration, the creation is post-poned until
171 a physical device is being attached to the bus.
172
173 destroy_link
174 write '1' to this attribute to destroy an
175 active link
176
177What: /sys/kernel/config/most_sound/<card>
178Date: March 8, 2019
179KernelVersion: 5.2
180Description:
181 The attributes:
182
183 create_card
184 write '1' to this attribute to trigger the
185 registration of the sound card with the ALSA
186 subsystem.
187
188What: /sys/kernel/config/most_sound/<card>/<link>
189Date: March 8, 2019
190KernelVersion: 5.2
191Description:
192 The attributes:
193
194 buffer_size
195 configure the buffer size for this channel
196
197 subbuffer_size
198 configure the sub-buffer size for this channel
199 (needed for synchronous and isochronous data)
200
201
202 num_buffers
203 configure number of buffers used for this
204 channel
205
206 datatype
207 configure type of data that will travel over
208 this channel
209
210 direction
211 configure whether this link will be an input
212 or output
213
214 dbr_size
215 configure DBR data buffer size (this is used
216 for MediaLB communication only)
217
218 packets_per_xact
219 configure the number of packets that will be
220 collected from the network before being
221 transmitted via USB (this is used for USB
222 communication only)
223
224 device
225 name of the device the link is to be attached to
226
227 channel
228 name of the channel the link is to be attached to
229
230 comp_params
231 pass parameters needed by some components
232
233 create_link
234 write '1' to this attribute to trigger the
235 creation of the link. In case of speculative
236 configuration, the creation is post-poned until
237 a physical device is being attached to the bus.
238
239 destroy_link
240 write '1' to this attribute to destroy an
241 active link