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- What: /sys/class/udc/<udc>/a_alt_hnp_support
- Date: June 2011
- KernelVersion: 3.1
- Contact: Felipe Balbi <[email protected]>
- Description:
- Indicates if an OTG A-Host supports HNP at an alternate port.
- Users:
- What: /sys/class/udc/<udc>/a_hnp_support
- Date: June 2011
- KernelVersion: 3.1
- Contact: Felipe Balbi <[email protected]>
- Description:
- Indicates if an OTG A-Host supports HNP at this port.
- Users:
- What: /sys/class/udc/<udc>/b_hnp_enable
- Date: June 2011
- KernelVersion: 3.1
- Contact: Felipe Balbi <[email protected]>
- Description:
- Indicates if an OTG A-Host enabled HNP support.
- Users:
- What: /sys/class/udc/<udc>/current_speed
- Date: June 2011
- KernelVersion: 3.1
- Contact: Felipe Balbi <[email protected]>
- Description:
- Indicates the current negotiated speed at this port.
- Users:
- What: /sys/class/udc/<udc>/is_a_peripheral
- Date: June 2011
- KernelVersion: 3.1
- Contact: Felipe Balbi <[email protected]>
- Description:
- Indicates that this port is the default Host on an OTG session
- but HNP was used to switch roles.
- Users:
- What: /sys/class/udc/<udc>/is_otg
- Date: June 2011
- KernelVersion: 3.1
- Contact: Felipe Balbi <[email protected]>
- Description:
- Indicates that this port support OTG.
- Users:
- What: /sys/class/udc/<udc>/maximum_speed
- Date: June 2011
- KernelVersion: 3.1
- Contact: Felipe Balbi <[email protected]>
- Description:
- Indicates the maximum USB speed supported by this port.
- Users:
- What: /sys/class/udc/<udc>/maximum_speed
- Date: June 2011
- KernelVersion: 3.1
- Contact: Felipe Balbi <[email protected]>
- Description:
- Indicates the maximum USB speed supported by this port.
- Users:
- What: /sys/class/udc/<udc>/soft_connect
- Date: June 2011
- KernelVersion: 3.1
- Contact: Felipe Balbi <[email protected]>
- Description:
- Allows users to disconnect data pullup resistors thus causing a
- logical disconnection from the USB Host.
- Users:
- What: /sys/class/udc/<udc>/srp
- Date: June 2011
- KernelVersion: 3.1
- Contact: Felipe Balbi <[email protected]>
- Description:
- Allows users to manually start Session Request Protocol.
- Users:
- What: /sys/class/udc/<udc>/state
- Date: June 2011
- KernelVersion: 3.1
- Contact: Felipe Balbi <[email protected]>
- Description:
- Indicates current state of the USB Device Controller. Valid
- states are: 'not-attached', 'attached', 'powered',
- 'reconnecting', 'unauthenticated', 'default', 'addressed',
- 'configured', and 'suspended'; however not all USB Device
- Controllers support reporting all states.
- Users:
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