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usb: misc: eud: Add driver support for Embedded USB Debugger(EUD)

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Add support for control peripheral of EUD (Embedded USB Debugger) to
listen to events such as USB attach/detach, pet EUD to indicate software
is functional.Reusing the platform device kobj, sysfs entry 'enable' is
created to enable or disable EUD.

To enable the eud the following needs to be done
echo 1 > /sys/bus/platform/.../enable

To disable eud, following is the command
echo 0 > /sys/bus/platform/.../enable

Signed-off-by: Souradeep Chowdhury <quic_schowdhu@quicinc.com>
Link: https://lore.kernel.org/r/0ac5c2b2c8e4ce4f4f342a08b48cfc61aeaf7ee8.1644339918.git.quic_schowdhu@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Souradeep Chowdhury
2022-02-08 23:24:26 +05:30
committed by Greg Kroah-Hartman
parent 306a20df82
commit 9a1bf58ccd
4 changed files with 271 additions and 0 deletions
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drivers/usb/misc/Makefile
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@@ -18,6 +18,7 @@ obj-$(CONFIG_USB_ISIGHTFW) += isight_firmware.o
obj-$(CONFIG_USB_LCD) += usblcd.o
obj-$(CONFIG_USB_LD) += ldusb.o
obj-$(CONFIG_USB_LEGOTOWER) += legousbtower.o
obj-$(CONFIG_USB_QCOM_EUD) += qcom_eud.o
obj-$(CONFIG_USB_TEST) += usbtest.o
obj-$(CONFIG_USB_EHSET_TEST_FIXTURE) += ehset.o
obj-$(CONFIG_USB_TRANCEVIBRATOR) += trancevibrator.o