diff options
Diffstat (limited to 'usbmuxd/usb-linux.c')
| -rw-r--r-- | usbmuxd/usb-linux.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/usbmuxd/usb-linux.c b/usbmuxd/usb-linux.c index 6e99a95..9634d14 100644 --- a/usbmuxd/usb-linux.c +++ b/usbmuxd/usb-linux.c @@ -279,11 +279,19 @@ static int usb_discover(void) usbmuxd_log(LL_WARNING, "Could not open device %d-%d: %d", bus, address, res); continue; } - if((res = libusb_set_configuration(handle, USB_CONFIGURATION)) != 0) { - usbmuxd_log(LL_WARNING, "Could not set configuration %d for device %d-%d: %d", USB_CONFIGURATION, bus, address, res); + int current_config = 0; + if((res = libusb_get_configuration(handle, ¤t_config)) != 0) { + usbmuxd_log(LL_WARNING, "Could not get configuration for device %d-%d: %d", bus, address, res); libusb_close(handle); continue; } + if (current_config != devdesc.bNumConfigurations) { + if((res = libusb_set_configuration(handle, devdesc.bNumConfigurations)) != 0) { + usbmuxd_log(LL_WARNING, "Could not set configuration %d for device %d-%d: %d", devdesc.bNumConfigurations, bus, address, res); + libusb_close(handle); + continue; + } + } if((res = libusb_claim_interface(handle, USB_INTERFACE)) != 0) { usbmuxd_log(LL_WARNING, "Could not claim interface %d for device %d-%d: %d", USB_INTERFACE, bus, address, res); libusb_close(handle); |