name : media_dev_allocator.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0 # Media Device Allocator API test script # Copyright (c) 2019 Shuah Khan <shuah@kernel.org> echo "Media Device Allocator testing: unbind and bind" echo "media driver $1 audio driver $2" MDRIVER=/sys/bus/usb/drivers/$1 cd $MDRIVER MDEV=$(ls -d *\-*) ADRIVER=/sys/bus/usb/drivers/$2 cd $ADRIVER ADEV=$(ls -d *\-*.1) echo "==================================" echo "Test unbind both devices - start" echo "Running unbind of $MDEV from $MDRIVER" echo $MDEV > $MDRIVER/unbind; echo "Media device should still be present!" ls -l /dev/media* echo "sound driver is at: $ADRIVER" echo "Device is: $ADEV" echo "Running unbind of $ADEV from $ADRIVER" echo $ADEV > $ADRIVER/unbind; echo "Media device should have been deleted!" ls -l /dev/media* echo "Test unbind both devices - end" echo "==================================" echo "Test bind both devices - start" echo "Running bind of $MDEV from $MDRIVER" echo $MDEV > $MDRIVER/bind; echo "Media device should be present!" ls -l /dev/media* echo "Running bind of $ADEV from $ADRIVER" echo $ADEV > $ADRIVER/bind; echo "Media device should be there!" ls -l /dev/media* echo "Test bind both devices - end" echo "==================================" echo "Test unbind $MDEV - bind $MDEV - unbind $ADEV - bind $ADEV start" echo "Running unbind of $MDEV from $MDRIVER" echo $MDEV > $MDRIVER/unbind; echo "Media device should be there!" ls -l /dev/media* sleep 1 echo "Running bind of $MDEV from $MDRIVER" echo $MDEV > $MDRIVER/bind; echo "Media device should be there!" ls -l /dev/media* echo "Running unbind of $ADEV from $ADRIVER" echo $ADEV > $ADRIVER/unbind; echo "Media device should be there!" ls -l /dev/media* sleep 1 echo "Running bind of $ADEV from $ADRIVER" echo $ADEV > $ADRIVER/bind; echo "Media device should be there!" ls -l /dev/media* echo "Test unbind $MDEV - bind $MDEV - unbind $ADEV - bind $ADEV end" echo "=================================="