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winebus.sys: IOCTL_HID_GET_DEVICE_DESCRIPTOR for iohid. 

Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Ken Thomases <ken@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Aric Stewart 2016-11-07 13:42:31 -06:00 committed by Alexandre Julliard
parent 3b132cb9ec
commit 7221693538
1 changed files with 12 additions and 1 deletions
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13
dlls/winebus.sys/bus_iohid.c
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@ -140,7 +140,18 @@ static int compare_platform_device(DEVICE_OBJECT *device, void *platform_dev)
static NTSTATUS get_reportdescriptor(DEVICE_OBJECT *device, BYTE *buffer, DWORD length, DWORD *out_length)
{
return STATUS_NOT_IMPLEMENTED;
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
CFDataRef data = IOHIDDeviceGetProperty(private->device, CFSTR(kIOHIDReportDescriptorKey));
int data_length = CFDataGetLength(data);
const UInt8 *ptr;
*out_length = data_length;
if (length < data_length)
return STATUS_BUFFER_TOO_SMALL;
ptr = CFDataGetBytePtr(data);
memcpy(buffer, ptr, data_length);
return STATUS_SUCCESS;
}
static NTSTATUS get_string(DEVICE_OBJECT *device, DWORD index, WCHAR *buffer, DWORD length)