From: Marcel Holtmann <marcel@holtmann.org>
To: Johan Hedberg <johan.hedberg@gmail.com>
Cc: Pavan Savoy <pavan_savoy@sify.com>,
Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
linux-bluetooth@vger.kernel.org
Subject: Re: why scan_disable during hciops_power_off
Date: Tue, 25 Jan 2011 17:11:42 +0100 [thread overview]
Message-ID: <1295971902.1520.52.camel@aeonflux> (raw)
In-Reply-To: <20110125160830.GA14610@jh-x301>
Hi Johan,
> > >> 1. are there controllers there which even after doing hci0 down,
> > >> allows other devices to be scanned?
> > >> for those what do hci0 down mean ? radio not switched off ?
> > >
> > > Good point, perhaps this is driver dependent, so we do it just be safe guard.
> >
> > I hope all devices and drivers out there consider the hci0 down as the
> > radio OFF,
> > I don't think there is a reason for it to be otherwise....
> > so why the safe-guard ?
>
> IIRC Marcel added this due to paranoia with the non-connectable GAP test
> case with the BITE tester. The test kept failing even though the device
> was in DOWN state.
we also had the case where we considered non-connectable as off when the
HCI devdown was not working properly. However this is a long time ago
and has been fixed properly. So we might can remove this now.
Regards
Marcel
next prev parent reply other threads:[~2011-01-25 16:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-25 13:12 why scan_disable during hciops_power_off Pavan Savoy
2011-01-25 15:27 ` Luiz Augusto von Dentz
2011-01-25 15:58 ` Pavan Savoy
2011-01-25 16:08 ` Johan Hedberg
2011-01-25 16:11 ` Marcel Holtmann [this message]
2011-01-25 16:17 ` Pavan Savoy
2011-01-26 10:51 ` Pavan Savoy
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