[linux-dvb] how to calculate the Snr value for DVICO DVB-T Dual express card

[Tu-Tu Yu]

Hello:
this is the output of the status... I would like to know how to
calculate the the SNR DB value. Thank you

status 1e | signal b788 | snr 0f1f1 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1e | signal b78c | snr 0f2f2 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1e | signal b77c | snr 0f2f2 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1e | signal b780 | snr 0f1f1 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1e | signal b774 | snr 0f1f1 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1e | signal b77c | snr 0f1f1 | ber 00000000 | unc 00000000 | FE_HAS_LOCK

Audrey