package/contrib/openrgb/hotfix-i2c-bus.patch

   1 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 # T2 SDE: package/*/openrgb/hotfix-i2c-bus.patch
   3 # Copyright (C) 2023 The T2 SDE Project
   4 #
   5 # This Copyright note is generated by scripts/Create-CopyPatch,
   6 # more information can be found in the files COPYING and README.
   7 #
   8 # This patch file is dual-licensed. It is available under the license the
   9 # patched project is licensed under, as long as it is an OpenSource license
  10 # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  11 # of the GNU General Public License version 2 as used by the T2 SDE.
  12 # --- T2-COPYRIGHT-NOTE-END ---
  13
  14 --- OpenRGB-release_0.8/i2c_smbus/i2c_smbus_linux.cpp.vanilla   2023-05-11 16:59:57.687538263 +0200
  15 +++ OpenRGB-release_0.8/i2c_smbus/i2c_smbus_linux.cpp   2023-05-11 18:49:27.062012602 +0200
  16 @@ -77,7 +77,7 @@
  17      char                    driver_path[512];
  18      struct dirent *         ent;
  19      int                     test_fd;
  20 -    int                     ret = true;
  21 +    int                     ret = false;
  22      char path[1024];
  23      char buff[100];
  24      unsigned short pci_device, pci_vendor, pci_subsystem_device, pci_subsystem_vendor;
  25 @@ -85,12 +85,12 @@
  26      char *ptr;
  27
  28      // Start looking for I2C adapters in /sys/bus/i2c/devices/
  29 -    strcpy(driver_path, "/sys/bus/i2c/devices/");
  30 +    strcpy(driver_path, "/sys/class/i2c-adapter/");
  31      dir = opendir(driver_path);
  32
  33      if(dir == NULL)
  34      {
  35 -        return(false);
  36 +        return(ret);
  37      }
  38
  39      // Loop through all entries in i2c-adapter list
  40 @@ -99,7 +99,7 @@
  41      if(ent == NULL)
  42      {
  43          closedir(dir);
  44 -        return(false);
  45 +        return(ret);
  46      }
  47
  48      while(ent != NULL)
  49      {
  50 @@ -227,25 +228,19 @@
  51                      strcat(device_string, ent->d_name);
  52                      test_fd = open(device_string, O_RDWR);
  53
  54 -                    if (test_fd < 0)
  55 +                    if (test_fd > 0)
  56                      {
  57 -                        ent = readdir(dir);
  58 -                        ret = false;
  59 -                    }
  60 -
  61 -                    bus = new i2c_smbus_linux();
  62 -                    strcpy(bus->device_name, device_string);
  63 -                    bus->handle               = test_fd;
  64 -                    bus->pci_device           = pci_device;
  65 -                    bus->pci_vendor           = pci_vendor;
  66 -                    bus->pci_subsystem_device = pci_subsystem_device;
  67 -                    bus->pci_subsystem_vendor = pci_subsystem_vendor;
  68 -                    bus->port_id              = port_id;
  69 -                    ResourceManager::get()->RegisterI2CBus(bus);
  70 -                }
  71 -                else
  72 -                {
  73 -                    ret = false;
  74 +                       bus = new i2c_smbus_linux();
  75 +                       strcpy(bus->device_name, device_string);
  76 +                       bus->handle               = test_fd;
  77 +                       bus->pci_device           = pci_device;
  78 +                       bus->pci_vendor           = pci_vendor;
  79 +                       bus->pci_subsystem_device = pci_subsystem_device;
  80 +                       bus->pci_subsystem_vendor = pci_subsystem_vendor;
  81 +                       bus->port_id              = port_id;
  82 +                       ResourceManager::get()->RegisterI2CBus(bus);
  83 +                       ret = true;
  84 +                   }
  85                  }
  86              }
  87          }