/lib/firmware/carl9170fw/carlfw/usb/Kconfig is in linux-firmware 1.127.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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config CARL9170FW_USB_STANDARD_CMDS
def_bool y
prompt "Basic USB Interface"
---help---
Allows the device to be queried about Standard USB 2.0 Device
Description Descriptors.
Say Y, unless you don't care if lsusb -v fails.
config CARL9170FW_USB_UP_STREAM
def_bool y
prompt "USB Upload Stream"
---help---
This features allows the USB silicon to combine small, single
frames into bigger transfers. This can help to reduce
some per-transfer overhead in the application.
Say Y, unless you have experienced strange rx corruptions.
config CARL9170FW_USB_DN_STREAM
def_bool n
prompt "USB Download Stream"
config CARL9170FW_DEBUG_USB
def_bool y
prompt "Pass debug messages through USB transport"
---help---
Report all firmware messages through the USB transport.
But there is a catch: In case of a BUG, the USB transport
needs to be functional, otherwise the application won't
receive anything.
Say Y.
endmenu
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