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macosx: Fix port listing on ElCapitan. 

On OSX 10.11 (ElCapitan) the query for IOProviderClass fails to list ACM
devices as USB.
Add a fallback query using IOClass to correctly recognize these devices.
The fix has no effect on previous OSX versions (tested on Mavericks)
This commit is contained in:
Martino Facchin 2015-12-18 12:40:58 +01:00 committed by Martin Ling
parent 8062087ab3
commit aacba60dca
1 changed files with 11 additions and 0 deletions
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macosx.c
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@ -63,6 +63,17 @@ SP_PRIV enum sp_return get_port_details(struct sp_port *port)
DEBUG_FMT("Found port %s", path);
IORegistryEntryGetParentEntry(ioport, kIOServicePlane, &ioparent);
if ((cf_property=IORegistryEntrySearchCFProperty(ioparent,kIOServicePlane,
CFSTR("IOClass"), kCFAllocatorDefault,
kIORegistryIterateRecursively | kIORegistryIterateParents))) {
if (CFStringGetCString(cf_property, class, sizeof(class),
kCFStringEncodingASCII) &&
strstr(class, "USB")) {
DEBUG("Found USB class device");
port->transport = SP_TRANSPORT_USB;
}
CFRelease(cf_property);
}
if ((cf_property=IORegistryEntrySearchCFProperty(ioparent,kIOServicePlane,
CFSTR("IOProviderClass"), kCFAllocatorDefault,
kIORegistryIterateRecursively | kIORegistryIterateParents))) {