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authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-08-22 11:35:50 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-08-22 14:52:57 -0300
commit0bf6cd7bc5d6751386d5f092e8d3fd2537aac954 (patch)
tree63bf0054889272a995fa42c26923f65fb8a74b0f /drivers/media/dvb-core
parent465291a0eba9662a2ec597b96881dd92b034c30c (diff)
[media] dvb_frontend.h: document struct analog_demod_ops
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>
Diffstat (limited to 'drivers/media/dvb-core')
-rw-r--r--drivers/media/dvb-core/dvb_frontend.h27
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;

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