tools/testing/selftests/media_tests/media_dev_allocator.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Media Device Allocator API test script
   4 # Copyright (c) 2019 Shuah Khan <shuah@kernel.org>
   5
   6 echo "Media Device Allocator testing: unbind and bind"
   7 echo "media driver $1 audio driver $2"
   8
   9 MDRIVER=/sys/bus/usb/drivers/$1
  10 cd $MDRIVER
  11 MDEV=$(ls -d *\-*)
  12
  13 ADRIVER=/sys/bus/usb/drivers/$2
  14 cd $ADRIVER
  15 ADEV=$(ls -d *\-*.1)
  16
  17 echo "=================================="
  18 echo "Test unbind both devices - start"
  19 echo "Running unbind of $MDEV from $MDRIVER"
  20 echo $MDEV > $MDRIVER/unbind;
  21
  22 echo "Media device should still be present!"
  23 ls -l /dev/media*
  24
  25 echo "sound driver is at: $ADRIVER"
  26 echo "Device is: $ADEV"
  27
  28 echo "Running unbind of $ADEV from $ADRIVER"
  29 echo $ADEV > $ADRIVER/unbind;
  30
  31 echo "Media device should have been deleted!"
  32 ls -l /dev/media*
  33 echo "Test unbind both devices - end"
  34
  35 echo "=================================="
  36
  37 echo "Test bind both devices - start"
  38 echo "Running bind of $MDEV from $MDRIVER"
  39 echo $MDEV > $MDRIVER/bind;
  40
  41 echo "Media device should be present!"
  42 ls -l /dev/media*
  43
  44 echo "Running bind of $ADEV from $ADRIVER"
  45 echo $ADEV > $ADRIVER/bind;
  46
  47 echo "Media device should be there!"
  48 ls -l /dev/media*
  49
  50 echo "Test bind both devices - end"
  51
  52 echo "=================================="
  53
  54 echo "Test unbind $MDEV - bind $MDEV - unbind $ADEV - bind $ADEV start"
  55
  56 echo "Running unbind of $MDEV from $MDRIVER"
  57 echo $MDEV > $MDRIVER/unbind;
  58
  59 echo "Media device should be there!"
  60 ls -l /dev/media*
  61
  62 sleep 1
  63
  64 echo "Running bind of $MDEV from $MDRIVER"
  65 echo $MDEV > $MDRIVER/bind;
  66
  67 echo "Media device should be there!"
  68 ls -l /dev/media*
  69
  70 echo "Running unbind of $ADEV from $ADRIVER"
  71 echo $ADEV > $ADRIVER/unbind;
  72
  73 echo "Media device should be there!"
  74 ls -l /dev/media*
  75
  76 sleep 1
  77
  78 echo "Running bind of $ADEV from $ADRIVER"
  79 echo $ADEV > $ADRIVER/bind;
  80
  81 echo "Media device should be there!"
  82 ls -l /dev/media*
  83
  84 echo "Test unbind $MDEV - bind $MDEV - unbind $ADEV - bind $ADEV end"
  85 echo "=================================="