MyGica U2689

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MyGica U2689 was tested to be recognized by kernel 3.0.0-14 as two D689 devices as it contains two AltoBeam 8831 tuner chips.

Dmesg output:

[ 11.621825] dvb-usb: found a 'Mygica D689 DMB-TH' in warm state.
[ 11.969415] DVB: registering new adapter (Mygica D689 DMB-TH)
[ 12.228604] dvb-usb: Mygica D689 DMB-TH successfully initialized and connected.
[ 12.228644] dvb-usb: found a 'Mygica D689 DMB-TH' in warm state.
[ 12.572606] DVB: registering new adapter (Mygica D689 DMB-TH)
[ 12.831519] dvb-usb: Mygica D689 DMB-TH successfully initialized and connected.

lsusb output:

Bus 001 Device 006: ID 0572:d811 Conexant Systems (Rockwell), Inc.
Bus 001 Device 007: ID 0572:d811 Conexant Systems (Rockwell), Inc.

It was tested not working with MythTV, cannot Scan any channels.

It causes high CPU usage by kworker processes when Mythtv-backend is running.