From: Soeren Sonnenburg <kernel@nn7.de>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: Oliver Neukum <oliver@neukum.org>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.24-rc4: bluetooth device gone after suspend to ram
Date: Wed, 12 Dec 2007 19:23:47 +0100 [thread overview]
Message-ID: <1197483827.4492.3.camel@localhost> (raw)
In-Reply-To: <1197475727.5644.20.camel@aeonflux>
On Wed, 2007-12-12 at 17:08 +0100, Marcel Holtmann wrote:
> Hi Oliver,
>
> > > I noticed that on my macbook pro1,1 the bluetooth device is gone after
> > > suspend to ram, i.e.
> >
> > Is this a regression?
> > Does it work if you unload hci_usb before you suspend?
> > If so, please recompile with CONFIG_USB_DEBUG and provide
> > dmesg.
No it was always like this.
> sometimes ACPI is involved and will killswitch the Bluetooth device on
> suspend. Sometimes the distros to a manual killswitch. And in case of
> Bluetooth a killswitch means physically removing the power from the
> device.
>
> In case of a MacBook it can happen that this device goes back into HID
> mode and thus you need to call hid2hci.
indeed after calling hid2hci the device is visible again via
hciconfig -a
Thanks!!!
Soeren
prev parent reply other threads:[~2007-12-12 18:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-12 10:31 2.6.24-rc4: bluetooth device gone after suspend to ram Soeren Sonnenburg
2007-12-12 11:52 ` Oliver Neukum
2007-12-12 16:08 ` Marcel Holtmann
2007-12-12 18:23 ` Soeren Sonnenburg [this message]
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