input: virtio: don't send mouse wheel event twice
On Linux, a mouse event is generated for both down and up when mouse wheel is used. This caused virtio_input_send() to be called twice each time the wheel was used. This commit adds a check for the button down state and only calls virtio_input_send() when it is true. Signed-off-by: NMiika S <miika9764@gmail.com> Message-Id: <20171222152531.1849-4-miika9764@gmail.com> Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
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