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[media] si2157: register as a tuner entity 

As this tuner doesn't use the usual subdev interface, we need
to register it manually.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
hifive-unleashed-5.1
Mauro Carvalho Chehab 2016-02-11 18:06:36 -02:00
parent 08f4920051
commit 8b0a81c733
3 changed files with 44 additions and 1 deletions
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32
drivers/media/tuners/si2157.c
View File

@ -403,7 +403,7 @@ err:
}
static int si2157_probe(struct i2c_client *client,
const struct i2c_device_id *id)
const struct i2c_device_id *id)
{
struct si2157_config *cfg = client->dev.platform_data;
struct dvb_frontend *fe = cfg->fe;
@ -438,6 +438,31 @@ static int si2157_probe(struct i2c_client *client,
memcpy(&fe->ops.tuner_ops, &si2157_ops, sizeof(struct dvb_tuner_ops));
fe->tuner_priv = client;
#ifdef CONFIG_MEDIA_CONTROLLER
if (cfg->mdev) {
dev->mdev = cfg->mdev;
dev->ent.name = KBUILD_MODNAME;
dev->ent.function = MEDIA_ENT_F_TUNER;
dev->pad[TUNER_PAD_RF_INPUT].flags = MEDIA_PAD_FL_SINK;
dev->pad[TUNER_PAD_OUTPUT].flags = MEDIA_PAD_FL_SOURCE;
dev->pad[TUNER_PAD_AUD_OUT].flags = MEDIA_PAD_FL_SOURCE;
ret = media_entity_pads_init(&dev->ent, TUNER_NUM_PADS,
&dev->pad[0]);
if (ret)
goto err_kfree;
ret = media_device_register_entity(cfg->mdev, &dev->ent);
if (ret) {
media_entity_cleanup(&dev->ent);
goto err_kfree;
}
}
#endif
dev_info(&client->dev, "Silicon Labs %s successfully attached\n",
dev->chiptype == SI2157_CHIPTYPE_SI2146 ?
"Si2146" : "Si2147/2148/2157/2158");
@ -461,6 +486,11 @@ static int si2157_remove(struct i2c_client *client)
/* stop statistics polling */
cancel_delayed_work_sync(&dev->stat_work);
#ifdef CONFIG_MEDIA_CONTROLLER_DVB
if (dev->mdev)
media_device_unregister_entity(&dev->ent);
#endif
memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops));
fe->tuner_priv = NULL;
kfree(dev);

5
drivers/media/tuners/si2157.h
View File

@ -18,6 +18,7 @@
#define SI2157_H
#include <linux/kconfig.h>
#include <media/media-device.h>
#include "dvb_frontend.h"
/*
@ -30,6 +31,10 @@ struct si2157_config {
*/
struct dvb_frontend *fe;
#if defined(CONFIG_MEDIA_CONTROLLER)
struct media_device *mdev;
#endif
/*
* Spectral Inversion
*/

8
drivers/media/tuners/si2157_priv.h
View File

@ -18,6 +18,7 @@
#define SI2157_PRIV_H
#include <linux/firmware.h>
#include <media/v4l2-mc.h>
#include "si2157.h"
/* state struct */
@ -31,6 +32,13 @@ struct si2157_dev {
u8 if_port;
u32 if_frequency;
struct delayed_work stat_work;
#if defined(CONFIG_MEDIA_CONTROLLER)
struct media_device *mdev;
struct media_entity ent;
struct media_pad pad[TUNER_NUM_PADS];
#endif
};
#define SI2157_CHIPTYPE_SI2157 0