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It's a 320e device (ID eb1a:2881 eMPIA Technology, Inc.).

Support for V4L and DVB in the Linux kernel is needed.

Linux Kernel Configuration: Device Drivers → Multimedia devices

    *** Multimedia core support ***
<M> Video For Linux
[*]   Enable Video For Linux API 1 (DEPRECATED)
-*-   Enable Video For Linux API 1 compatible Layer
<M> DVB for Linux
    *** Multimedia drivers ***
[*] Load and attach frontend and tuner driver modules as needed
...

hg clone http://mcentral.de/hg/~mrec/em28xx-new &&
cd em28xx-new &&
make

Firmware is required for this card (SHA1 hash: 792193b3e073c27d1d2eccebc72ec9ad1b6950a6 firmware_v3.tgz)

http://konstantin.filtschew.de/v4l-firmware/firmware_v3.tgz
http://www.tuxamito.com.es/em2880/firmware_v3.tgz

Installation:

make install
tar xvf firmware_v3.tgz -C /lib/firmware/

udev setup

/etc/udev/rules.d/dvb.rules

KERNEL=="dvb*", PROGRAM="dvb %k", NAME="%c", GROUP="video"

/lib/udev/dvb

#!/bin/sh
/bin/echo $1 | /bin/sed -e 's,dvb\([0-9]\)\.\([^0-9]*\)\([0-9]\),dvb/adapter\1/\
2\3,'

remote control

cat /proc/bus/input/devices

I: Bus=0003 Vendor=0000 Product=0000 Version=0000
N: Name="em2880/em2870 remote control"
P: Phys=USB
S: Sysfs=/devices/virtual/input/input9
U: Uniq=
H: Handlers=kbd event9 
B: EV=100003
B: KEY=c0000 100040 0 0 0 0 0 180 80000001 9e0000 0 40000 ffd