Merge tag 'linux-kselftest-4.8-rc1-update' of... (5dd0bf62) · Commits · 戴 / test

tools/testing/selftests/lib/printf.sh

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File mode changed from 100644 to 100755.

tools/testing/selftests/media_tests/.gitignore

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	media_device_test		media_device_test
			media_device_open
			video_device_test

tools/testing/selftests/media_tests/Makefile

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	TEST_PROGS := media_device_test		TEST_PROGS := media_device_test media_device_open video_device_test
	all: $(TEST_PROGS)		all: $(TEST_PROGS)

	include ../lib.mk		include ../lib.mk

	clean:		clean:
	rm -fr media_device_test		rm -fr media_device_test media_device_open video_device_test

tools/testing/selftests/media_tests/bind_unbind_sample.sh

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			#!/bin/bash
			# Find device number in /sys/bus/usb/drivers/drivername
			# Edit this file to update the driver numer and name
			# Example test for uvcvideo driver
			#i=0
			# while :; do
			# i=$((i+1))
			# echo 1-5:1.0 > /sys/bus/usb/drivers/uvcvideo/unbind;
			# echo 1-5:1.0 > /sys/bus/usb/drivers/uvcvideo/bind;
			# clear
			# echo $i
			#done

tools/testing/selftests/media_tests/media_device_open.c

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			/*
			* media_device_open.c - Media Controller Device Open Test
			*
			* Copyright (c) 2016 Shuah Khan <shuahkh@osg.samsung.com>
			* Copyright (c) 2016 Samsung Electronics Co., Ltd.
			*
			* This file is released under the GPLv2.
			*/

			/*
			* This file adds a test for Media Controller API.
			* This test should be run as root and should not be
			* included in the Kselftest run. This test should be
			* run when hardware and driver that makes use Media
			* Controller API are present in the system.
			*
			* This test opens user specified Media Device and calls
			* MEDIA_IOC_DEVICE_INFO ioctl, closes the file, and exits.
			*
			* Usage:
			* sudo ./media_device_open -d /dev/mediaX
			*
			* Run this test is a loop and run bind/unbind on the driver.
			*/

			#include <stdio.h>
			#include <unistd.h>
			#include <stdlib.h>
			#include <errno.h>
			#include <string.h>
			#include <fcntl.h>
			#include <sys/ioctl.h>
			#include <sys/stat.h>
			#include <linux/media.h>

			int main(int argc, char **argv)
			{
			int opt;
			char media_device[256];
			int count = 0;
			struct media_device_info mdi;
			int ret;
			int fd;

			if (argc < 2) {
			printf("Usage: %s [-d </dev/mediaX>]\n", argv[0]);
			exit(-1);
			}

			/* Process arguments */
			while ((opt = getopt(argc, argv, "d:")) != -1) {
			switch (opt) {
			case 'd':
			strncpy(media_device, optarg, sizeof(media_device) - 1);
			media_device[sizeof(media_device)-1] = '\0';
			break;
			default:
			printf("Usage: %s [-d </dev/mediaX>]\n", argv[0]);
			exit(-1);
			}
			}

			if (getuid() != 0) {
			printf("Please run the test as root - Exiting.\n");
			exit(-1);
			}

			/* Open Media device and keep it open */
			fd = open(media_device, O_RDWR);
			if (fd == -1) {
			printf("Media Device open errno %s\n", strerror(errno));
			exit(-1);
			}

			ret = ioctl(fd, MEDIA_IOC_DEVICE_INFO, &mdi);
			if (ret < 0)
			printf("Media Device Info errno %s\n", strerror(errno));
			else
			printf("Media device model %s driver %s\n",
			mdi.model, mdi.driver);
			}

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