diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb-core/dvb_frontend.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h index 991a6e0265d2..c6c85e6e9874 100644 --- a/drivers/media/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb-core/dvb_frontend.h @@ -282,10 +282,37 @@ struct dvb_tuner_ops { int (*get_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state); }; +/** + * struct analog_demod_info - Information struct for analog TV part of the demod + * + * @name: Name of the analog TV demodulator + */ struct analog_demod_info { char *name; }; +/** + * struct analog_demod_ops - Demodulation information and callbacks for + * analog TV and radio + * + * @info: pointer to struct analog_demod_info + * @set_params: callback function used to inform the demod to set the + * demodulator parameters needed to decode an analog or + * radio channel. The properties are passed via + * struct @analog_params;. + * @has_signal: returns 0xffff if has signal, or 0 if it doesn't. + * @get_afc: Used only by analog TV core. Reports the frequency + * drift due to AFC. + * @tuner_status: callback function that returns tuner status bits, e. g. + * TUNER_STATUS_LOCKED and TUNER_STATUS_STEREO. + * @standby: set the tuner to standby mode. + * @release: callback function called when frontend is dettached. + * drivers should free any allocated memory. + * @i2c_gate_ctrl: controls the I2C gate. Newer drivers should use I2C + * mux support instead. + * @set_config: callback function used to send some tuner-specific + * parameters. + */ struct analog_demod_ops { struct analog_demod_info info; |