Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 1f6bfcc7 authored by Olivier Grenie's avatar Olivier Grenie Committed by Mauro Carvalho Chehab
Browse files

[media] DiB8000: improve the tuning and the SNR monitoring 



This patches improves the tuning of the dib8000 and correct the monitoringr
of the SNR.The patch allows to faster detect that there is no ISDB-T channel
on the wanted frequency.

Signed-off-by: default avatarOlivier Grenie <olivier.grenie@dibcom.fr>
Signed-off-by: default avatarPatrick Boettcher <patrick.boettcher@dibcom.fr>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent a685dbbc

drivers/media/dvb/frontends/dib8000.c

+3 −2
Original line number Diff line number Diff line
@@ -2215,7 +2215,7 @@ static int dib8000_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_par 
			 ((state->fe[0]->dtv_property_cache.layer[1].segment_count == 0) ||

			  ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (2 << 0)) == 0)) &&

			 ((state->fe[0]->dtv_property_cache.layer[2].segment_count == 0) || ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (3 << 0)) == 0)))) {

		int i = 80000;

		int i = 100;

		u8 found = 0;

		u8 tune_failed = 0;
@@ -2243,6 +2243,7 @@ static int dib8000_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_par 
					default:

						 dprintk("unhandled autosearch result");

					case 1:

						 tune_failed |= (1 << index_frontend);

						 dprintk("autosearch failed for the frontend%i", index_frontend);

						 break;

					}
@@ -2401,7 +2402,7 @@ static int dib8000_read_snr(struct dvb_frontend *fe, u16 * snr) 
	for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++)

		snr_master += dib8000_get_snr(state->fe[index_frontend]);



	if (snr_master != 0) {

	if ((snr_master >> 16) != 0) {

		snr_master = 10*intlog10(snr_master>>16);

		*snr = snr_master / ((1 << 24) / 10);

	}