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Remove usb_set_configuration() call

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References from @mcuee that support removal of this call:
 - https://libusb.sourceforge.io/api-1.0/group__libusb__dev.html#ga785ddea63a2b9bcb879a614ca4867bed
 - https://github.com/pyusb/pyusb/blob/master/docs/faq.rst#how-not-to-call-set_configuration-on-a-device-already-configured-with-the-selected-configuration
This commit is contained in:
Stefan Rueger
2026-06-19 00:32:15 +01:00
parent 041f0c3456
commit eb66125d46
1 changed files with 0 additions and 5 deletions
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5
src/usb_libusb.c
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@@ -145,11 +145,6 @@ static int usbdev_open(const char *port, union pinfo pinfo, union filedescriptor
goto trynext;
}
if(usb_set_configuration(udev, dev->config[0].bConfigurationValue)) {
pmsg_notice("(config %d) %s\n", dev->config[0].bConfigurationValue, usb_strerror());
// goto trynext; // Let's hope it has already been configured
}
int usehid = !!(pinfo.usbinfo.flags & PINFO_FL_USEHID);
for(iface = 0; iface < dev->config[0].bNumInterfaces; iface++) {
cx->usb_interface = dev->config[0].interface[iface].altsetting[0].bInterfaceNumber;