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if a DeviceProperytChanged event arrives, invalidate this properties

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git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@15126 67ed7778-7388-44ab-90cf-0a291f65f57c
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Marcus Meissner
2014-08-16 11:15:17 +00:00
parent 9a5d754339
commit 6446e8c612
1 changed files with 18 additions and 0 deletions
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18
camlibs/ptp2/ptp.c
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@@ -2134,6 +2134,24 @@ store_event:
if (ret == PTP_RC_OK) {
ptp_debug (params, "event: nparams=0x%X, code=0x%X, trans_id=0x%X, p1=0x%X, p2=0x%X, p3=0x%X", event.Nparam,event.Code,event.Transaction_ID, event.Param1, event.Param2, event.Param3);
ptp_add_event (params, &event);
/* handle some PTP stack internal events */
switch (event.Code) {
case PTP_EC_DevicePropChanged: {
unsigned int i;
/* mark the property for a forced refresh on the next query */
for (i=0;i<params->nrofdeviceproperties;i++)
if (params->deviceproperties[i].desc.DevicePropertyCode == event.Param1) {
params->deviceproperties[i].timestamp = 0;
break;
}
break;
}
default: /* check if we should handle it internally too */
break;
}
}
if (ret == PTP_ERROR_TIMEOUT) /* ok, just new events */
ret = PTP_RC_OK;