diff options
Diffstat (limited to 'drivers/media/dvb-frontends/ts2020.c')
-rw-r--r-- | drivers/media/dvb-frontends/ts2020.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/media/dvb-frontends/ts2020.c b/drivers/media/dvb-frontends/ts2020.c index e5cd2cd414f4..6c24d6d0d4c9 100644 --- a/drivers/media/dvb-frontends/ts2020.c +++ b/drivers/media/dvb-frontends/ts2020.c @@ -1,22 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Montage Technology TS2020 - Silicon Tuner driver Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com> Copyright (C) 2009-2012 TurboSight.com - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <media/dvb_frontend.h> @@ -180,6 +168,9 @@ static int ts2020_set_tuner_rf(struct dvb_frontend *fe) unsigned int utmp; ret = regmap_read(dev->regmap, 0x3d, &utmp); + if (ret) + return ret; + utmp &= 0x7f; if (utmp < 0x16) utmp = 0xa1; |