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Patch by idefix: Code cleanup and debug output cleanup. Part of patch to

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ticket #3744, thanks!


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36842 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus 2010-05-17 15:38:25 +00:00
parent 19ec74b048
commit a9f29dd29c
1 changed files with 16 additions and 12 deletions
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28
src/add-ons/kernel/drivers/input/wacom/wacom.c
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@ -115,7 +115,7 @@ add_device(usb_device dev)
// we need these four for a Wacom tablet
size_t controlTransferLength;
int i;
int tryCount;
char repData[2] = { 0x02, 0x02 };
char retData[2] = { 0x00, 0x00 };
@ -227,7 +227,7 @@ got_one:
// absolute mode, pressure data, etc.)
controlTransferLength = 2;
for (i = 0; i < 5; i++) {
for (tryCount = 0; tryCount < 5; tryCount++) {
// HID Class-Specific Request, Host to device (=0x21):
// SET_REPORT (=0x09) type Feature (=3) with ID 2 (=2) of
// Interface #0 (=0) to repData (== { 0x02, 0x02 })
@ -235,8 +235,8 @@ got_one:
repData, &controlTransferLength);
if (st < B_OK) {
dprintf(ID "add_device() - control transfer 2 failed: %ld\
\n", st);
dprintf(ID "add_device() - control transfer 2 failed: %ld"
"\n", st);
}
// check if registers are set correctly
@ -248,20 +248,24 @@ got_one:
retData, &controlTransferLength);
if (st < B_OK) {
dprintf(ID "add_device() - control transfer 3 failed: %ld\
\n", st);
dprintf(ID "add_device() - control transfer 3 failed: %ld"
"\n", st);
}
dprintf(ID "retData: %u - %u\n", retData[0], retData[1]);
dprintf("====================================\n");
if (retData[0] == repData[0] && retData[1] == repData[1]) break;
DPRINTF_INFO((ID "add_device() - retData: %u - %u\n",
retData[0], retData[1]));
if (retData[0] == repData[0] && retData[1] == repData[1]) {
DPRINTF_INFO((ID "add_device() - successfully set "
"'Wacom'-mode\n"));
break;
}
}
dprintf(ID "count: %u\n", i);
DPRINTF_INFO((ID "add_device() - number of tries: %u\n",
tryCount + 1));
if (i > 4) {
if (tryCount > 4) {
dprintf(ID "add_device() - set 'Wacom'-mode failed\n");
}
}