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[media] dvb_frontend.h: document struct analog_demod_ops

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Add documentation for struct analog_demod_info and
struct analog_demod_ops.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2015-08-22 11:35:50 -03:00
parent 465291a0eb
commit 0bf6cd7bc5
1 changed files with 27 additions and 0 deletions
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27
drivers/media/dvb-core/dvb_frontend.h
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@ -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;