[media] zl10353: change .read_snr() to report SNR as a 0.1 dB

Report SNR in 0.1 dB scale instead of raw hardware register values.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-05-15 19:48:40 -03:00 committed by Mauro Carvalho Chehab
parent 5b84325a31
commit 13c6a9f706

View File

@ -525,7 +525,7 @@ static int zl10353_read_snr(struct dvb_frontend *fe, u16 *snr)
zl10353_dump_regs(fe);
_snr = zl10353_read_register(state, SNR);
*snr = (_snr << 8) | _snr;
*snr = 10 * _snr / 8;
return 0;
}