diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/dvb-core/dvb_frontend.h | 40 |
1 files changed, 25 insertions, 15 deletions
diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h index 032e125a5f15..458bcce20e38 100644 --- a/drivers/media/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb-core/dvb_frontend.h @@ -213,12 +213,12 @@ enum dvbfe_search { * are stored at @dvb_frontend.dtv_property_cache;. The * tuner demod can change the parameters to reflect the * changes needed for the channel to be tuned, and - * update statistics. + * update statistics. This is the recommended way to set + * the tuner parameters and should be used on newer + * drivers. * @set_analog_params: callback function used to tune into an analog TV * channel on hybrid tuners. It passes @analog_parameters; * to the driver. - * @calc_regs: callback function used to pass register data settings - * for simple tuners. * @set_config: callback function used to send some tuner-specific * parameters. * @get_frequency: get the actual tuned frequency @@ -231,10 +231,10 @@ enum dvbfe_search { * via DVBv5 API (@dvb_frontend.dtv_property_cache;). * @get_afc: Used only by analog TV core. Reports the frequency * drift due to AFC. - * @set_frequency: Set a new frequency. Please notice that using - * set_params is preferred. - * @set_bandwidth: Set a new frequency. Please notice that using - * set_params is preferred. + * @calc_regs: callback function used to pass register data settings + * for simple tuners. Shouldn't be used on newer drivers. + * @set_frequency: Set a new frequency. Shouldn't be used on newer drivers. + * @set_bandwidth: Set a new frequency. Shouldn't be used on newer drivers. * * NOTE: frequencies used on get_frequency and set_frequency are in Hz for * terrestrial/cable or kHz for satellite. @@ -250,14 +250,10 @@ struct dvb_tuner_ops { int (*suspend)(struct dvb_frontend *fe); int (*resume)(struct dvb_frontend *fe); - /** This is for simple PLLs - set all parameters in one go. */ + /* This is the recomended way to set the tuner */ int (*set_params)(struct dvb_frontend *fe); int (*set_analog_params)(struct dvb_frontend *fe, struct analog_parameters *p); - /** This is support for demods like the mt352 - fills out the supplied buffer with what to write. */ - int (*calc_regs)(struct dvb_frontend *fe, u8 *buf, int buf_len); - - /** This is to allow setting tuner-specific configs */ int (*set_config)(struct dvb_frontend *fe, void *priv_cfg); int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency); @@ -270,8 +266,21 @@ struct dvb_tuner_ops { int (*get_rf_strength)(struct dvb_frontend *fe, u16 *strength); int (*get_afc)(struct dvb_frontend *fe, s32 *afc); - /** These are provided separately from set_params in order to facilitate silicon - * tuners which require sophisticated tuning loops, controlling each parameter separately. */ + /* + * This is support for demods like the mt352 - fills out the supplied + * buffer with what to write. + * + * Don't use on newer drivers. + */ + int (*calc_regs)(struct dvb_frontend *fe, u8 *buf, int buf_len); + + /* + * These are provided separately from set_params in order to + * facilitate silicon tuners which require sophisticated tuning loops, + * controlling each parameter separately. + * + * Don't use on newer drivers. + */ int (*set_frequency)(struct dvb_frontend *fe, u32 frequency); int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth); }; @@ -462,7 +471,8 @@ struct dvb_frontend_ops { int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire); int (*set_lna)(struct dvb_frontend *); - /* These callbacks are for devices that implement their own + /* + * These callbacks are for devices that implement their own * tuning algorithms, rather than a simple swzigzag */ enum dvbfe_search (*search)(struct dvb_frontend *fe); |