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USB: indicate active altsetting in proc/bus/usb/devices file

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Update /proc/bus/usb/devices output to report active altsettings.

Signed-off-by: David Brownell <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
David Brownell 2006-12-13 13:07:10 -08:00 • committed by Greg Kroah-Hartman
commit 2360e4aa64
2 changed files with 17 additions and 12 deletions
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21
Documentation/usb/proc_usb_info.txt
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@ -213,15 +213,16 @@ C:* #Ifs=dd Cfg#=dd Atr=xx MPwr=dddmA
Interface descriptor info (can be multiple per Config):
I: If#=dd Alt=dd #EPs=dd Cls=xx(sssss) Sub=xx Prot=xx Driver=ssss
| | | | | | | |__Driver name
| | | | | | | or "(none)"
| | | | | | |__InterfaceProtocol
| | | | | |__InterfaceSubClass
| | | | |__InterfaceClass
| | | |__NumberOfEndpoints
| | |__AlternateSettingNumber
| |__InterfaceNumber
I:* If#=dd Alt=dd #EPs=dd Cls=xx(sssss) Sub=xx Prot=xx Driver=ssss
| | | | | | | | |__Driver name
| | | | | | | | or "(none)"
| | | | | | | |__InterfaceProtocol
| | | | | | |__InterfaceSubClass
| | | | | |__InterfaceClass
| | | | |__NumberOfEndpoints
| | | |__AlternateSettingNumber
| | |__InterfaceNumber
| |__ "*" indicates the active altsetting (others are " ")
|__Interface info tag
A given interface may have one or more "alternate" settings.
@ -277,7 +278,7 @@ of the USB devices on a system's root hub. (See more below
on how to do this.)
The Interface lines can be used to determine what driver is
being used for each device.
being used for each device, and which altsetting it activated.
The Configuration lines could be used to list maximum power
(in milliamps) that a system's USB devices are using.