xref: /linux/tools/testing/selftests/media_tests/media_dev_allocator.sh (revision 26fbb4c8c7c3ee9a4c3b4de555a8587b5a19154e)
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
6echo "Media Device Allocator testing: unbind and bind"
7echo "media driver $1 audio driver $2"
8
9MDRIVER=/sys/bus/usb/drivers/$1
10cd $MDRIVER
11MDEV=$(ls -d *\-*)
12
13ADRIVER=/sys/bus/usb/drivers/$2
14cd $ADRIVER
15ADEV=$(ls -d *\-*.1)
16
17echo "=================================="
18echo "Test unbind both devices - start"
19echo "Running unbind of $MDEV from $MDRIVER"
20echo $MDEV > $MDRIVER/unbind;
21
22echo "Media device should still be present!"
23ls -l /dev/media*
24
25echo "sound driver is at: $ADRIVER"
26echo "Device is: $ADEV"
27
28echo "Running unbind of $ADEV from $ADRIVER"
29echo $ADEV > $ADRIVER/unbind;
30
31echo "Media device should have been deleted!"
32ls -l /dev/media*
33echo "Test unbind both devices - end"
34
35echo "=================================="
36
37echo "Test bind both devices - start"
38echo "Running bind of $MDEV from $MDRIVER"
39echo $MDEV > $MDRIVER/bind;
40
41echo "Media device should be present!"
42ls -l /dev/media*
43
44echo "Running bind of $ADEV from $ADRIVER"
45echo $ADEV > $ADRIVER/bind;
46
47echo "Media device should be there!"
48ls -l /dev/media*
49
50echo "Test bind both devices - end"
51
52echo "=================================="
53
54echo "Test unbind $MDEV - bind $MDEV - unbind $ADEV - bind $ADEV start"
55
56echo "Running unbind of $MDEV from $MDRIVER"
57echo $MDEV > $MDRIVER/unbind;
58
59echo "Media device should be there!"
60ls -l /dev/media*
61
62sleep 1
63
64echo "Running bind of $MDEV from $MDRIVER"
65echo $MDEV > $MDRIVER/bind;
66
67echo "Media device should be there!"
68ls -l /dev/media*
69
70echo "Running unbind of $ADEV from $ADRIVER"
71echo $ADEV > $ADRIVER/unbind;
72
73echo "Media device should be there!"
74ls -l /dev/media*
75
76sleep 1
77
78echo "Running bind of $ADEV from $ADRIVER"
79echo $ADEV > $ADRIVER/bind;
80
81echo "Media device should be there!"
82ls -l /dev/media*
83
84echo "Test unbind $MDEV - bind $MDEV - unbind $ADEV - bind $ADEV end"
85echo "=================================="
86