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[media] tuner-core: add an input pad 

Tuners actually have at least one connector on its input.

Add a PAD to connect it.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2015-08-31 13:23:03 -03:00
parent a08fad1ec8
commit 188d2d5512
5 changed files with 22 additions and 6 deletions
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5
drivers/media/dvb-core/dvbdev.c
View File

@ -34,6 +34,9 @@
#include <linux/mutex.h>
#include "dvbdev.h"
/* Due to enum tuner_pad_index */
#include <media/tuner.h>
static DEFINE_MUTEX(dvbdev_mutex);
static int dvbdev_debug;
@ -552,7 +555,7 @@ void dvb_create_media_graph(struct dvb_adapter *adap)
}
if (tuner && demod)
media_create_pad_link(tuner, 0, demod, 0, 0);
media_create_pad_link(tuner, TUNER_PAD_IF_OUTPUT, demod, 0, 0);
if (demod && demux)
media_create_pad_link(demod, 1, demux, 0, MEDIA_LNK_FL_ENABLED);

5
drivers/media/usb/au0828/au0828-core.c
View File

@ -27,6 +27,9 @@
#include <media/v4l2-common.h>
#include <linux/mutex.h>
/* Due to enum tuner_pad_index */
#include <media/tuner.h>
/*
* 1 = General debug messages
* 2 = USB handling
@ -260,7 +263,7 @@ static void au0828_create_media_graph(struct au0828_dev *dev)
return;
if (tuner)
media_create_pad_link(tuner, 0, decoder, 0,
media_create_pad_link(tuner, TUNER_PAD_IF_OUTPUT, decoder, 0,
MEDIA_LNK_FL_ENABLED);
media_create_pad_link(decoder, 1, &dev->vdev.entity, 0,
MEDIA_LNK_FL_ENABLED);

2
drivers/media/usb/cx231xx/cx231xx-cards.c
View File

@ -1264,7 +1264,7 @@ static void cx231xx_create_media_graph(struct cx231xx *dev)
return;
if (tuner)
media_create_pad_link(tuner, 0, decoder, 0,
media_create_pad_link(tuner, TUNER_PAD_IF_OUTPUT, decoder, 0,
MEDIA_LNK_FL_ENABLED);
media_create_pad_link(decoder, 1, &dev->vdev.entity, 0,
MEDIA_LNK_FL_ENABLED);

8
drivers/media/v4l2-core/tuner-core.c
View File

@ -134,8 +134,9 @@ struct tuner {
unsigned int type; /* chip type id */
void *config;
const char *name;
#if defined(CONFIG_MEDIA_CONTROLLER)
struct media_pad pad;
struct media_pad pad[TUNER_NUM_PADS];
#endif
};
@ -695,11 +696,12 @@ static int tuner_probe(struct i2c_client *client,
/* Should be just before return */
register_client:
#if defined(CONFIG_MEDIA_CONTROLLER)
t->pad.flags = MEDIA_PAD_FL_SOURCE;
t->pad[TUNER_PAD_RF_INPUT].flags = MEDIA_PAD_FL_SINK;
t->pad[TUNER_PAD_IF_OUTPUT].flags = MEDIA_PAD_FL_SOURCE;
t->sd.entity.type = MEDIA_ENT_T_V4L2_SUBDEV_TUNER;
t->sd.entity.name = t->name;
ret = media_entity_init(&t->sd.entity, 1, &t->pad);
ret = media_entity_init(&t->sd.entity, TUNER_NUM_PADS, &t->pad[0]);
if (ret < 0) {
tuner_err("failed to initialize media entity!\n");
kfree(t);

8
include/media/tuner.h
View File

@ -21,6 +21,14 @@
#include <linux/videodev2.h>
/* Tuner PADs */
/* FIXME: is this the right place for it? */
enum tuner_pad_index {
TUNER_PAD_RF_INPUT,
TUNER_PAD_IF_OUTPUT,
TUNER_NUM_PADS
};
#define ADDR_UNSET (255)
#define TUNER_TEMIC_PAL 0 /* 4002 FH5 (3X 7756, 9483) */