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| author | Prashant Malani <pmalani@chromium.org> | 2020-11-25 00:49:11 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-26 09:21:13 +0100 |
| commit | 2e70c495cadebdcc6f80fde3553401bb0987b29f (patch) | |
| tree | 61c28108adcd202b50b62d31911124df2cfc8dc3 /Documentation/ABI | |
| parent | fd2c35b2f59f3d4a92e8604c7105f001d1da503c (diff) | |
| download | linux-2e70c495cadebdcc6f80fde3553401bb0987b29f.tar.bz2 | |
usb: typec: Expose Product Type VDOs via sysfs
A PD-capable device can return up to 3 Product Type VDOs as part of its
DiscoverIdentity Response (USB PD Spec, Rev 3.0, Version 2.0, Section
6.4.4.3.1). Add sysfs attributes to expose these to userspace.
Cc: Benson Leung <bleung@chromium.org>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20201125084911.1077462-2-pmalani@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-typec | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-typec b/Documentation/ABI/testing/sysfs-class-typec index 88ffc14d4cd2..619c4c67432b 100644 --- a/Documentation/ABI/testing/sysfs-class-typec +++ b/Documentation/ABI/testing/sysfs-class-typec @@ -228,6 +228,30 @@ Description: will show 0 until Discover Identity command result becomes available. The value can be polled. +What: /sys/class/typec/<port>-{partner|cable}/identity/product_type_vdo1 +Date: October 2020 +Contact: Prashant Malani <pmalani@chromium.org> +Description: + 1st Product Type VDO of Discover Identity command result. + The value will show 0 until Discover Identity command result becomes + available and a valid Product Type VDO is returned. + +What: /sys/class/typec/<port>-{partner|cable}/identity/product_type_vdo2 +Date: October 2020 +Contact: Prashant Malani <pmalani@chromium.org> +Description: + 2nd Product Type VDO of Discover Identity command result. + The value will show 0 until Discover Identity command result becomes + available and a valid Product Type VDO is returned. + +What: /sys/class/typec/<port>-{partner|cable}/identity/product_type_vdo3 +Date: October 2020 +Contact: Prashant Malani <pmalani@chromium.org> +Description: + 3rd Product Type VDO of Discover Identity command result. + The value will show 0 until Discover Identity command result becomes + available and a valid Product Type VDO is returned. + USB Type-C port alternate mode devices. |