Re: [Bluez-users] Several problems with bluez-utils 3.1, kbluetoothd and a Belkin dongle in Debian

[Marcel Holtmann <marcel@holtmann.org>]

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Hi Alastair,

> I'm also experiencing the same behaviour as Felix with a Belkin dongle
> (Broadcom) with bluez-libs-3.2, bluez-utils-3.2. This is where ISCAN is
> not set even though it is enabled in hcid.conf. I've compiled from
> source on a Gentoo Linux box.
> 
> One additional thing that I would like to add is that I see this in my
> syslog:
> 
> Jul 28 00:10:15 qoo hcid[23009]: HCI dev 0 registered
> Jul 28 00:10:15 qoo hcid[23009]: Device hci0 has been added
> Jul 28 00:10:15 qoo hcid[23009]: Register path:/org/bluez/hci0
> fallback:0
> Jul 28 00:10:15 qoo hcid[23009]: HCI dev 0 up
> Jul 28 00:10:15 qoo hcid[23009]: Starting security manager 0
> Jul 28 00:10:16 qoo hcid[23009]: Can't write inquiry mode for hci0:
> Connection timed out (110)

the attached patch might help. If we have a Bluetooth 1.0b or 1.1 device
without a quirk to enable inqmode, we shouldn't even try to change the
inquiry mode. Seems that the Broadcom dongles are really sensible if you
try to send a command they don't support.

Regards

Marcel


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Index: hcid/device.c
===================================================================
RCS file: /cvsroot/bluez/utils/hcid/device.c,v
retrieving revision 1.14
diff -u -r1.14 device.c
--- hcid/device.c	26 Jul 2006 13:42:10 -0000	1.14
+++ hcid/device.c	28 Jul 2006 01:30:41 -0000
@@ -189,6 +189,7 @@
 	if (hci_read_local_version(dd, &ver, 1000) < 0) {
 		error("Can't read version info for hci%d: %s (%d)",
 					dev_id, strerror(errno), errno);
+		hci_close_dev(dd);
 		return -errno;
 	}
 
@@ -200,19 +201,24 @@
 	if (hci_read_local_features(dd, features, 1000) < 0) {
 		error("Can't read features for hci%d: %s (%d)",
 					dev_id, strerror(errno), errno);
+		hci_close_dev(dd);
 		return -errno;
 	}
 
 	memcpy(dev->features, features, 8);
 
 	inqmode = get_inquiry_mode(dev);
+	if (inqmode < 1)
+		goto done;
 
 	if (hci_write_inquiry_mode(dd, inqmode, 1000) < 0) {
 		error("Can't write inquiry mode for hci%d: %s (%d)",
 					dev_id, strerror(errno), errno);
+		hci_close_dev(dd);
 		return -errno;
 	}
 
+done:
 	hci_close_dev(dd);
 
 	info("Device hci%d has been activated", dev_id);

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