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Fix SPDDetector only scanning bus 0 on Linux

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This commit is contained in:
Stephen Horvath 2025-04-21 10:41:34 +10:00 • committed by Adam Honse
parent 9e6a2eb94c
commit 2c4b159901
6 changed files with 18 additions and 10 deletions
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1
i2c_smbus/i2c_smbus.cpp
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@ -28,6 +28,7 @@ i2c_smbus_interface::i2c_smbus_interface()
this->pci_vendor = -1;
this->pci_subsystem_device = -1;
this->pci_subsystem_vendor = -1;
this->bus_id = -1;
i2c_smbus_thread_running = true;
i2c_smbus_thread = new std::thread(&i2c_smbus_interface::i2c_smbus_thread_function, this);
}

2
i2c_smbus/i2c_smbus.h
View file

@ -84,6 +84,8 @@ public:
int pci_subsystem_device;
int pci_subsystem_vendor;
int bus_id;
i2c_smbus_interface();
virtual ~i2c_smbus_interface();

7
i2c_smbus/i2c_smbus_linux.cpp
View file

@ -82,7 +82,7 @@ bool i2c_smbus_linux_detect()
char path[1024];
char buff[100];
unsigned short pci_device, pci_vendor, pci_subsystem_device, pci_subsystem_vendor;
unsigned short port_id;
unsigned short port_id, bus_id;
char *ptr;
// Start looking for I2C adapters in /sys/bus/i2c/devices/
@ -125,10 +125,14 @@ bool i2c_smbus_linux_detect()
pci_subsystem_vendor = 0;
pci_subsystem_device = 0;
port_id = 0;
bus_id = 0;
// Get port ID for Nvidia GPUs
sscanf(device_string, "NVIDIA i2c adapter %hu at", &port_id);
// Get the Linux Bus ID
sscanf(ent->d_name, "i2c-%hu", &bus_id);
// Get device path
strcpy(path, driver_path);
strcat(path, ent->d_name);
@ -233,6 +237,7 @@ bool i2c_smbus_linux_detect()
bus->pci_subsystem_device = pci_subsystem_device;
bus->pci_subsystem_vendor = pci_subsystem_vendor;
bus->port_id = port_id;
bus->bus_id = bus_id;
ResourceManager::get()->RegisterI2CBus(bus);
}
else