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Commit eacf8d8d authored by Steven Toth's avatar Steven Toth Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB (9072): S2API: Add DTV_API_VERSION command 



This allows application developers to query the dvb-core API version
dynamically, helping developers understand whether certain features
will be available.

Signed-off-by: default avatarSteven Toth <stoth@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent d48cb402

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

+9 −0
Original line number Original line Diff line number Diff line
@@ -40,6 +40,7 @@ 




#include "dvb_frontend.h"

#include "dvb_frontend.h"

#include "dvbdev.h"

#include "dvbdev.h"

#include <linux/dvb/version.h>





static int dvb_frontend_debug;

static int dvb_frontend_debug;

static int dvb_shutdown_timeout;

static int dvb_shutdown_timeout;
@@ -836,6 +837,11 @@ struct dtv_cmds_h dtv_cmds[] = { 
		.set	= 0,

		.set	= 0,

		.buffer	= 1,

		.buffer	= 1,

	},

	},

	[DTV_API_VERSION] = {

		.name	= "DTV_API_VERSION",

		.cmd	= DTV_API_VERSION,

		.set	= 0,

	},

};

};





void dtv_property_dump(struct dtv_property *tvp)

void dtv_property_dump(struct dtv_property *tvp)
@@ -1104,6 +1110,9 @@ int dtv_property_process_get(struct dvb_frontend *fe, struct dtv_property *tvp, 
	case DTV_TONE:

	case DTV_TONE:

		tvp->u.data = fe->dtv_property_cache.sectone;

		tvp->u.data = fe->dtv_property_cache.sectone;

		break;

		break;

	case DTV_API_VERSION:

		tvp->u.data = (DVB_API_VERSION << 8) | DVB_API_VERSION_MINOR;

		break;

	default:

	default:

		r = -1;

		r = -1;

	}

	}

include/linux/dvb/frontend.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -268,6 +268,7 @@ struct dvb_frontend_event { 
#define DTV_FE_CAPABILITY	16

#define DTV_FE_CAPABILITY	16

#define DTV_DELIVERY_SYSTEM	17

#define DTV_DELIVERY_SYSTEM	17





#define DTV_API_VERSION				35





typedef enum fe_pilot {

typedef enum fe_pilot {

	PILOT_ON,

	PILOT_ON,

include/linux/dvb/version.h

+2 −2
Original line number Original line Diff line number Diff line
@@ -23,7 +23,7 @@ 
#ifndef _DVBVERSION_H_

#ifndef _DVBVERSION_H_

#define _DVBVERSION_H_

#define _DVBVERSION_H_





#define DVB_API_VERSION 3

#define DVB_API_VERSION 5

#define DVB_API_VERSION_MINOR 2

#define DVB_API_VERSION_MINOR 0





#endif /*_DVBVERSION_H_*/
 
#endif /*_DVBVERSION_H_*/