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Commit 999f3d25 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

media: dvb_demux.h: add an enum for DMX_STATE_* and document 



kernel-doc allows documenting enums. Also, it makes clearer
about the meaning of each field on structures.

So, convert DMX_STATE_* to an enum.

While here, get rid of the unused DMX_STATE_SET.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 0463625e

drivers/media/dvb-core/dvb_demux.h

+18 −7
Original line number Diff line number Diff line
@@ -37,11 +37,22 @@ enum dvb_dmx_filter_type { 
	DMX_TYPE_SEC,

};



#define DMX_STATE_FREE      0

#define DMX_STATE_ALLOCATED 1

#define DMX_STATE_SET       2

#define DMX_STATE_READY     3

#define DMX_STATE_GO        4

/**

 * enum dvb_dmx_state - state machine for a demux filter.

 *

 * @DMX_STATE_FREE:		indicates that the filter is freed.

 * @DMX_STATE_ALLOCATED:	indicates that the filter was allocated

 *				to be used.

 * @DMX_STATE_READY:		indicates that the filter is ready

 *				to be used.

 * @DMX_STATE_GO:		indicates that the filter is running.

 */

enum dvb_dmx_state {

	DMX_STATE_FREE,

	DMX_STATE_ALLOCATED,

	DMX_STATE_READY,

	DMX_STATE_GO,

};



#define DVB_DEMUX_MASK_MAX 18
@@ -58,7 +69,7 @@ struct dvb_demux_filter { 
	struct dvb_demux_filter *next;

	struct dvb_demux_feed *feed;

	int index;

	int state;

	enum dvb_dmx_state state;

	enum dvb_dmx_filter_type type;



	u16 hw_handle;
@@ -81,7 +92,7 @@ struct dvb_demux_feed { 
	struct dvb_demux *demux;

	void *priv;

	enum dvb_dmx_filter_type type;

	int state;

	enum dvb_dmx_state state;

	u16 pid;



	ktime_t timeout;