From: Greg KH <gregkh@linuxfoundation.org>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: linux-usb@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
ierturk@ieee.org
Subject: Re: Strange problem with USB device
Date: Tue, 8 Jun 2021 19:57:12 +0200 [thread overview]
Message-ID: <YL+veAlZSCrniOyl@kroah.com> (raw)
In-Reply-To: <cfc37ce0-823e-0d19-f5d7-fcd571a94943@lwfinger.net>
On Tue, Jun 08, 2021 at 12:41:23PM -0500, Larry Finger wrote:
> Hi,
>
> In https://bugzilla.suse.com/show_bug.cgi?id=1186889, a user is reporting
> that his Bluetooth component of a Realtek RTL8822CE is not being found in
> openSUSE's kernel 5.3.18. His lsusb scan is as follows:
>
> $ lsusb
> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 001 Device 003: ID 13d3:56c9 IMC Networks HP TrueVision HD Camera
> Bus 001 Device 002: ID 045e:07fd Microsoft Corp. Nano Transceiver 1.1
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>
> The Bluetooth device is found and works in Windows 10, where the Device
> Manager reports hardware ID's of 0bda:b00c. This combination is in driver
> btusb.
>
> Is there a bug in the USB bus scan in kernel 5.3.18 that has since been
> fixed, or is there still a bug that misses this device?
Loads of things have changed since 5.3.18, that was a long time ago :)
Are you sure this device doesn't need a "magic" command sent to it in
order for it to show up as a USB device on the bus? That sometimes
happens :(
thanks,
greg k-h
next prev parent reply other threads:[~2021-06-08 17:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-08 17:41 Strange problem with USB device Larry Finger
2021-06-08 17:57 ` Greg KH [this message]
2021-06-08 18:31 ` Larry Finger
2021-06-08 18:20 ` Alan Stern
2021-06-08 18:37 ` Larry Finger
2021-06-08 18:53 ` Alan Stern
2021-06-08 20:56 ` Larry Finger
2021-06-09 2:12 ` Alan Stern
2021-06-11 0:08 ` Ibrahim Erturk
2021-06-11 2:13 ` Alan Stern
2021-06-08 23:35 ` Larry Finger
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