Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-06 14:53:09 +00:00
Code Issues Projects Releases Packages Wiki Activity

[HIDPARSE]

Browse source 
- Implement HidP_GetUsagesEx
- HidP_GetUsagesEx uses HidP_GetUsages with undefined usage page
- Required for hid usb support
- Check if there is a maximum set. In that case verify if a usage maximum has been set and apply it to the currnt usage. Fixes asserts while usb composite device installation (keyboard)

svn path=/branches/usb-bringup-trunk/; revision=55357
This commit is contained in:
Johannes Anderwald 2012-01-31 19:00:45 +00:00
parent 3bb6d463d3
commit d0cec1a401
2 changed files with 59 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

15
lib/drivers/hidparser/parser.c
View file

@ -535,20 +535,21 @@ HidParser_InitReportItem(
// get usage minimum from local state
//
UsageValue = LocalItemState->UsageMinimum;
ASSERT(LocalItemState->UsageMinimumSet);
ASSERT(LocalItemState->UsageMaximumSet);
//
// append item index
//
UsageValue.u.Extended += ReportItemIndex;
if (UsageValue.u.Extended > LocalItemState->UsageMaximum.u.Extended)
if (LocalItemState->UsageMaximumSet)
{
//
// maximum reached
//
UsageValue.u.Extended = LocalItemState->UsageMaximum.u.Extended;
if (UsageValue.u.Extended > LocalItemState->UsageMaximum.u.Extended)
{
//
// maximum reached
//
UsageValue.u.Extended = LocalItemState->UsageMaximum.u.Extended;
}
}
}