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8a37d87d72
Introducing a simple bus for the alternate modes. Bus allows binding drivers to the discovered alternate modes the partners support. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Tested-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
49 lines
2.0 KiB
Plaintext
49 lines
2.0 KiB
Plaintext
These files are deprecated and will be removed. The same files are available
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under /sys/bus/typec (see Documentation/ABI/testing/sysfs-bus-typec).
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What: /sys/class/typec/<port|partner|cable>/<dev>/svid
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Date: April 2017
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Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
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Description:
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The SVID (Standard or Vendor ID) assigned by USB-IF for this
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alternate mode.
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What: /sys/class/typec/<port|partner|cable>/<dev>/mode<index>/
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Date: April 2017
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Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
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Description:
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Every supported mode will have its own directory. The name of
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a mode will be "mode<index>" (for example mode1), where <index>
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is the actual index to the mode VDO returned by Discover Modes
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USB power delivery command.
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What: /sys/class/typec/<port|partner|cable>/<dev>/mode<index>/description
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Date: April 2017
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Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
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Description:
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Shows description of the mode. The description is optional for
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the drivers, just like with the Billboard Devices.
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What: /sys/class/typec/<port|partner|cable>/<dev>/mode<index>/vdo
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Date: April 2017
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Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
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Description:
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Shows the VDO in hexadecimal returned by Discover Modes command
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for this mode.
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What: /sys/class/typec/<port|partner|cable>/<dev>/mode<index>/active
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Date: April 2017
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Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
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Description:
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Shows if the mode is active or not. The attribute can be used
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for entering/exiting the mode with partners and cable plugs, and
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with the port alternate modes it can be used for disabling
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support for specific alternate modes. Entering/exiting modes is
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supported as synchronous operation so write(2) to the attribute
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does not return until the enter/exit mode operation has
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finished. The attribute is notified when the mode is
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entered/exited so poll(2) on the attribute wakes up.
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Entering/exiting a mode will also generate uevent KOBJ_CHANGE.
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Valid values: yes, no
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