Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

rsusb backend - reattach kernel driver #9821

Merged
merged 1 commit into from
Oct 10, 2021
Merged

rsusb backend - reattach kernel driver #9821

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 11 additions & 6 deletions src/libusb/handle-libusb.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,16 @@ namespace librealsense
throw std::runtime_error(msg.str());
}

sts = libusb_set_auto_detach_kernel_driver(_handle, true); // detach from kernel driver when claimed and re-attach when released.
if(sts != LIBUSB_SUCCESS)
{
auto rs_sts = libusb_status_to_rs(sts);
std::stringstream msg;
msg << "failed to set kernel driver auto detach: " << (int)interface->get_number() << ", error: " << usb_status_to_string.at(rs_sts);
LOG_ERROR(msg.str());
throw std::runtime_error(msg.str());
}

claim_interface_or_throw(interface->get_number());
for(auto&& i : interface->get_associated_interfaces())
claim_interface_or_throw(i->get_number());
Expand All @@ -64,6 +74,7 @@ namespace librealsense
_context->stop_event_handler();
for(auto&& i : _first_interface->get_associated_interfaces())
libusb_release_interface(_handle, i->get_number());
libusb_release_interface(_handle, _first_interface->get_number());
libusb_close(_handle);
}

Expand All @@ -82,12 +93,6 @@ namespace librealsense

usb_status claim_interface(uint8_t interface)
{
//libusb_set_auto_detach_kernel_driver(h, true);

if (libusb_kernel_driver_active(_handle, interface) == 1)//find out if kernel driver is attached
if (libusb_detach_kernel_driver(_handle, interface) == 0)// detach driver from device if attached.
LOG_DEBUG("handle_libusb - detach kernel driver");

auto sts = libusb_claim_interface(_handle, interface);
if(sts != LIBUSB_SUCCESS)
{
Expand Down