I've removed and then reinstall the card... now when I write this command this is the output:
[email protected]:~$ dmesg | grep frontend [ 14.393512] cx23885_dvb_register() allocating 1 frontend(s) [ 14.396191] i2c i2c-15: cx24117: Attaching frontend 0 [ 14.396199] cx23885 0000:03:00.0: DVB: registeri...