| /* |
| * Copyright 2010, Intel Corporation |
| * |
| * This file is part of PowerTOP |
| * |
| * This program file is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program in a file named COPYING; if not, write to the |
| * Free Software Foundation, Inc, |
| * 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301 USA |
| * or just google for it. |
| * |
| * Authors: |
| * Arjan van de Ven <arjan@linux.intel.com> |
| */ |
| |
| #include "tuning.h" |
| #include "tunable.h" |
| #include "unistd.h" |
| #include "tuningusb.h" |
| #include <string.h> |
| #include <utility> |
| #include <iostream> |
| #include <fstream> |
| #include <unistd.h> |
| #include <sys/types.h> |
| #include <dirent.h> |
| |
| #include "../lib.h" |
| |
| usb_tunable::usb_tunable(const char *path, const char *name) : tunable("", 0.9, _("Good"), _("Bad"), _("Unknown")) |
| { |
| ifstream file; |
| char filename[4096]; |
| char vendor[2048]; |
| char product[2048]; |
| string str1, str2; |
| sprintf(usb_path, "%s/power/control", path); |
| |
| vendor[0] = 0; |
| product[0] = 0; |
| |
| str1 = read_sysfs_string("%s/idVendor", path); |
| str2 = read_sysfs_string("%s/idProduct", path); |
| |
| sprintf(desc, _("Autosuspend for unknown USB device %s (%s:%s)"), name, str1.c_str(), str2.c_str()); |
| |
| sprintf(filename, "%s/manufacturer", path); |
| file.open(filename, ios::in); |
| if (file) { |
| file.getline(vendor, 2047); |
| if (strstr(vendor, "Linux ")) |
| vendor[0] = 0; |
| file.close(); |
| }; |
| sprintf(filename, "%s/product", path); |
| file.open(filename, ios::in); |
| if (file) { |
| file.getline(product, 2040); |
| file.close(); |
| }; |
| if (strlen(vendor) && strlen(product)) |
| sprintf(desc, _("Autosuspend for USB device %s [%s]"), product, vendor); |
| else if (strlen(product)) |
| sprintf(desc, _("Autosuspend for USB device %s [%s]"), product, name); |
| else if (strlen(vendor)) |
| sprintf(desc, _("Autosuspend for USB device %s [%s]"), vendor, name); |
| |
| sprintf(toggle_good, "echo 'auto' > '%s';", usb_path); |
| sprintf(toggle_bad, "echo 'on' > '%s';", usb_path); |
| } |
| |
| int usb_tunable::good_bad(void) |
| { |
| string content; |
| |
| content = read_sysfs_string(usb_path); |
| |
| if (strcmp(content.c_str(), "auto") == 0) |
| return TUNE_GOOD; |
| |
| return TUNE_BAD; |
| } |
| |
| void usb_tunable::toggle(void) |
| { |
| int good; |
| good = good_bad(); |
| |
| if (good == TUNE_GOOD) { |
| write_sysfs(usb_path, "on"); |
| return; |
| } |
| |
| write_sysfs(usb_path, "auto"); |
| } |
| |
| const char *usb_tunable::toggle_script(void) |
| { |
| int good; |
| good = good_bad(); |
| |
| if (good == TUNE_GOOD) { |
| return toggle_bad; |
| } |
| |
| return toggle_good; |
| } |
| |
| void add_usb_tunables(void) |
| { |
| struct dirent *entry; |
| DIR *dir; |
| char filename[4096]; |
| |
| dir = opendir("/sys/bus/usb/devices/"); |
| if (!dir) |
| return; |
| while (1) { |
| class usb_tunable *usb; |
| |
| entry = readdir(dir); |
| |
| if (!entry) |
| break; |
| if (entry->d_name[0] == '.') |
| continue; |
| |
| sprintf(filename, "/sys/bus/usb/devices/%s/power/control", entry->d_name); |
| |
| if (access(filename, R_OK) != 0) |
| continue; |
| |
| sprintf(filename, "/sys/bus/usb/devices/%s/power/active_duration", entry->d_name); |
| if (access(filename, R_OK)!=0) |
| continue; |
| |
| sprintf(filename, "/sys/bus/usb/devices/%s", entry->d_name); |
| |
| usb = new class usb_tunable(filename, entry->d_name); |
| |
| all_tunables.push_back(usb); |
| |
| } |
| closedir(dir); |
| } |