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From: Gerd Hoffmann <kraxel@redhat.com>
To: Isaac Lozano <109lozanoi@gmail.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] usb-mtp: fix usb_mtp_get_device_info so that libmtp on the guest doesn't complain
Date: Wed, 11 May 2016 10:34:54 +0200	[thread overview]
Message-ID: <1462955694.5679.1.camel@redhat.com> (raw)
In-Reply-To: <1460892593-5908-1-git-send-email-109lozanoi@gmail.com>

On So, 2016-04-17 at 04:29 -0700, Isaac Lozano wrote:
> If an application uses libmtp on the guest system,
> it will complain with the warning message:
> LIBMTP WARNING: VendorExtensionID: ffffffff
> LIBMTP WARNING: VendorExtensionDesc: (null)
> LIBMTP WARNING: this typically means the device is PTP (i.e. a camera)
> but
> not a MTP device at all. Trying to continue anyway.
> 
> This is because libmtp expects a MTP Vendor Extension ID of 0x00000006
> and a
> MTP Version of 0x0064. These numbers are taken from Microsoft's MTP
> Vendor
> Extension Identification Message page and are what most physical
> devices
> show.
> 
> Signed-off-by: Isaac Lozano <109lozanoi@gmail.com>

added to usb patch queue.

thanks,
  Gerd

      parent reply	other threads:[~2016-05-11  8:35 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-17 11:29 [Qemu-devel] [PATCH] usb-mtp: fix usb_mtp_get_device_info so that libmtp on the guest doesn't complain Isaac Lozano
2016-04-26  9:11 ` Stefan Hajnoczi
2016-04-26 21:28   ` Bandan Das
2016-05-11  8:34 ` Gerd Hoffmann [this message]

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