Date: Wed, 08 Sep 2021 15:56:00 +0300
From: Oleksiy Vilny <456123@ukr.net>
Subject: [3.14.1] is missing kernel module
To: u.alpine.devel@lists.alpinelinux.org
Cc: 
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Hi,

I tried to connect my APC SmartUPS to Alpine Linux 3.14.1 with kernel
5.10.56-0-virt (x86_64) via USB. While the UPS device was recognized
by the kernel and shows up in /var/log/messages, the apcupsd cannot
find the device. The reason is /dev/usb/hiddev[0-9] is not created.
According to the manual at 
http://www.apcupsd.com/manual/manual.html#verifying-device-detection-and-driver
apcupsd requires the following kernel modules to be installed:

CONFIG_USB
CONFIG_USB_HID
CONFIG_USB_HIDDEV

The first two are present, though usbhiddev is missing:

alpine:~# cat /boot/config-virt | grep CONFIG_USB_HID*
CONFIG_USB_HID=m
# CONFIG_USB_HIDDEV is not set

I would kindly ask in the upcoming build the configuration to
be changed to

CONFIG_USB_HIDDEV=y

Kind Regards, Oleksiy

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