V4L/DVB (3892): Trim documentation

Trim excess documentation down to the essentials.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/dvb-core/dvb_frontend.h

@@ -62,99 +62,28 @@ struct dvb_tuner_info {
 };
 
 struct dvb_tuner_ops {
-	/**
-	 * Description of the tuner.
-	 */
+
 	struct dvb_tuner_info info;
 
-	/**
-	 * Cleanup an attached tuner.
-	 *
-	 * @param fe dvb_frontend structure to clean it up from.
-	 * @return 0 on success, <0 on failure.
-	 */
 	int (*release)(struct dvb_frontend *fe);
-
-	/**
-	 * Initialise a tuner.
-	 *
-	 * @param fe dvb_frontend structure.
-	 * @return 0 on success, <0 on failure.
-	 */
 	int (*init)(struct dvb_frontend *fe);
-
-	/**
-	 * Set a tuner into low power mode.
-	 *
-	 * @param fe dvb_frontend structure.
-	 * @return 0 on success, <0 on failure.
-	 */
 	int (*sleep)(struct dvb_frontend *fe);
 
-	/**
-	 * This is for simple PLLs - set all parameters in one go.
-	 *
-	 * @param fe The dvb_frontend structure.
-	 * @param p The parameters to set.
-	 * @return 0 on success, <0 on failure.
-	 */
+	/** This is for simple PLLs - set all parameters in one go. */
 	int (*set_params)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
 
-	/**
-	 * This is support for demods like the mt352 - fills out the supplied buffer with what to write.
-	 *
-	 * @param fe The dvb_frontend structure.
-	 * @param p The parameters to set.
-	 * @param buf The buffer to fill with data. For an i2c tuner, the first byte should be the tuner i2c address in linux format.
-	 * @param buf_len Size of buffer in bytes.
-	 * @return Number of bytes used, or <0 on failure.
-	 */
-	int (*pllbuf)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p, u8 *buf, int buf_len);
-
-	/**
-	 * Get the frequency the tuner was actually set to.
-	 *
-	 * @param fe The dvb_frontend structure.
-	 * @param frequency Where to put it.
-	 * @return 0 on success, or <0 on failure.
-	 */
-	int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency);
+	/** This is support for demods like the mt352 - fills out the supplied buffer with what to write. */
+	int (*calc_regs)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p, u8 *buf, int buf_len);
 
-	/**
-	 * Get the bandwidth the tuner was actually set to.
-	 *
-	 * @param fe The dvb_frontend structure.
-	 * @param bandwidth Where to put it.
-	 * @return 0 on success, or <0 on failure.
-	 */
+	int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency);
 	int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
 
-	/**
-	 * Get the tuner's status.
-	 *
-	 * @param fe The dvb_frontend structure.
-	 * @param status Where to put it.
-	 * @return 0 on success, or <0 on failure.
-	 */
 #define TUNER_STATUS_LOCKED 1
 	int (*get_status)(struct dvb_frontend *fe, u32 *status);
 
-	/**
-	 * Set the frequency of the tuner - for complex tuners.
-	 *
-	 * @param fe The dvb_frontend structure.
-	 * @param frequency What to set.
-	 * @return 0 on success, or <0 on failure.
-	 */
+	/** These are provided seperately from set_params in order to facilitate silicon
+	 * tuners which require sophisticated tuning loops, controlling each parameter seperately. */
 	int (*set_frequency)(struct dvb_frontend *fe, u32 frequency);
-
-	/**
-	 * Set the bandwidth of the tuner - for complex tuners.
-	 *
-	 * @param fe The dvb_frontend structure.
-	 * @param bandwidth  What to set.
-	 * @return 0 on success, or <0 on failure.
-	 */
 	int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
 };