197 lines
5.5 KiB
Plaintext
197 lines
5.5 KiB
Plaintext
What: /sys/kernel/config/most_<component>
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Date: March 8, 2019
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KernelVersion: 5.2
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Description: Interface is used to configure and connect device channels
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to component drivers.
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Attributes are visible only when configfs is mounted. To mount
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configfs in /sys/kernel/config directory use:
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# mount -t configfs none /sys/kernel/config/
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What: /sys/kernel/config/most_cdev/<link>
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Date: March 8, 2019
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KernelVersion: 5.2
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Description:
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The attributes:
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buffer_size configure the buffer size for this channel
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subbuffer_size configure the sub-buffer size for this channel
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(needed for synchronous and isochrnous data)
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num_buffers configure number of buffers used for this
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channel
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datatype configure type of data that will travel over
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this channel
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direction configure whether this link will be an input
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or output
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dbr_size configure DBR data buffer size (this is used
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for MediaLB communication only)
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packets_per_xact
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configure the number of packets that will be
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collected from the network before being
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transmitted via USB (this is used for USB
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communication only)
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device name of the device the link is to be attached to
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channel name of the channel the link is to be attached to
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comp_params pass parameters needed by some components
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create_link write '1' to this attribute to trigger the
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creation of the link. In case of speculative
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configuration, the creation is post-poned until
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a physical device is being attached to the bus.
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destroy_link write '1' to this attribute to destroy an
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active link
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What: /sys/kernel/config/most_video/<link>
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Date: March 8, 2019
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KernelVersion: 5.2
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Description:
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The attributes:
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buffer_size configure the buffer size for this channel
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subbuffer_size configure the sub-buffer size for this channel
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(needed for synchronous and isochrnous data)
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num_buffers configure number of buffers used for this
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channel
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datatype configure type of data that will travel over
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this channel
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direction configure whether this link will be an input
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or output
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dbr_size configure DBR data buffer size (this is used
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for MediaLB communication only)
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packets_per_xact
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configure the number of packets that will be
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collected from the network before being
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transmitted via USB (this is used for USB
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communication only)
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device name of the device the link is to be attached to
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channel name of the channel the link is to be attached to
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comp_params pass parameters needed by some components
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create_link write '1' to this attribute to trigger the
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creation of the link. In case of speculative
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configuration, the creation is post-poned until
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a physical device is being attached to the bus.
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destroy_link write '1' to this attribute to destroy an
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active link
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What: /sys/kernel/config/most_net/<link>
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Date: March 8, 2019
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KernelVersion: 5.2
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Description:
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The attributes:
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buffer_size configure the buffer size for this channel
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subbuffer_size configure the sub-buffer size for this channel
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(needed for synchronous and isochrnous data)
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num_buffers configure number of buffers used for this
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channel
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datatype configure type of data that will travel over
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this channel
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direction configure whether this link will be an input
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or output
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dbr_size configure DBR data buffer size (this is used
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for MediaLB communication only)
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packets_per_xact
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configure the number of packets that will be
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collected from the network before being
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transmitted via USB (this is used for USB
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communication only)
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device name of the device the link is to be attached to
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channel name of the channel the link is to be attached to
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comp_params pass parameters needed by some components
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create_link write '1' to this attribute to trigger the
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creation of the link. In case of speculative
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configuration, the creation is post-poned until
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a physical device is being attached to the bus.
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destroy_link write '1' to this attribute to destroy an
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active link
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What: /sys/kernel/config/most_sound/<card>
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Date: March 8, 2019
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KernelVersion: 5.2
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Description:
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The attributes:
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create_card write '1' to this attribute to trigger the
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registration of the sound card with the ALSA
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subsystem.
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What: /sys/kernel/config/most_sound/<card>/<link>
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Date: March 8, 2019
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KernelVersion: 5.2
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Description:
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The attributes:
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buffer_size configure the buffer size for this channel
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subbuffer_size configure the sub-buffer size for this channel
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(needed for synchronous and isochrnous data)
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num_buffers configure number of buffers used for this
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channel
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datatype configure type of data that will travel over
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this channel
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direction configure whether this link will be an input
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or output
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dbr_size configure DBR data buffer size (this is used
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for MediaLB communication only)
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packets_per_xact
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configure the number of packets that will be
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collected from the network before being
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transmitted via USB (this is used for USB
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communication only)
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device name of the device the link is to be attached to
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channel name of the channel the link is to be attached to
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comp_params pass parameters needed by some components
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create_link write '1' to this attribute to trigger the
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creation of the link. In case of speculative
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configuration, the creation is post-poned until
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a physical device is being attached to the bus.
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destroy_link write '1' to this attribute to destroy an
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active link
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