diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-power | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 7c81f0a25a48..2230a207c187 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -592,7 +592,12 @@ Description: the supply, for example it can show if USB-PD capable source is attached. - Access: Read-Only + Access: For power-supplies which consume USB power such + as battery charger chips, this indicates the type of + the connected USB power source and is Read-Only. + + For power-supplies which act as a USB power-source such as + e.g. the UCS1002 USB Port Power Controller this is writable. Valid values: "Unknown", "SDP", "DCP", "CDP", "ACA", "C", "PD", |