root/drivers/media/dvb-frontends/tda8261_cfg.h

INCLUDED FROM

DEFINITIONS

1. tda8261_get_frequency
2. tda8261_set_frequency
3. tda8261_get_bandwidth

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3         TDA8261 8PSK/QPSK tuner driver
   4         Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   5 
   6 */
   7 
   8 static int tda8261_get_frequency(struct dvb_frontend *fe, u32 *frequency)
   9 {
  10         struct dvb_frontend_ops *frontend_ops = &fe->ops;
  11         struct dvb_tuner_ops    *tuner_ops = &frontend_ops->tuner_ops;
  12         int err = 0;
  13 
  14         if (tuner_ops->get_frequency) {
  15                 err = tuner_ops->get_frequency(fe, frequency);
  16                 if (err < 0) {
  17                         pr_err("%s: Invalid parameter\n", __func__);
  18                         return err;
  19                 }
  20                 pr_debug("%s: Frequency=%d\n", __func__, *frequency);
  21         }
  22         return 0;
  23 }
  24 
  25 static int tda8261_set_frequency(struct dvb_frontend *fe, u32 frequency)
  26 {
  27         struct dvb_frontend_ops *frontend_ops = &fe->ops;
  28         struct dvb_tuner_ops    *tuner_ops = &frontend_ops->tuner_ops;
  29         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  30         int err = 0;
  31 
  32         if (tuner_ops->set_params) {
  33                 err = tuner_ops->set_params(fe);
  34                 if (err < 0) {
  35                         pr_err("%s: Invalid parameter\n", __func__);
  36                         return err;
  37                 }
  38         }
  39         pr_debug("%s: Frequency=%d\n", __func__, c->frequency);
  40         return 0;
  41 }
  42 
  43 static int tda8261_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
  44 {
  45         /* FIXME! need to calculate Bandwidth */
  46         *bandwidth = 40000000;
  47 
  48         return 0;
  49 }