From 8b0a81c73326af2defaa0d8a4494c7def83928bd Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 11 Feb 2016 18:06:36 -0200 Subject: [PATCH] [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 --- drivers/media/tuners/si2157.c | 32 +++++++++++++++++++++++++++++- drivers/media/tuners/si2157.h | 5 +++++ drivers/media/tuners/si2157_priv.h | 8 ++++++++ 3 files changed, 44 insertions(+), 1 deletion(-) diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index 3450dfb7c427..243ac3816028 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -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); diff --git a/drivers/media/tuners/si2157.h b/drivers/media/tuners/si2157.h index 4db97ab744d6..5f1a60bf7ced 100644 --- a/drivers/media/tuners/si2157.h +++ b/drivers/media/tuners/si2157.h @@ -18,6 +18,7 @@ #define SI2157_H #include +#include #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 */ diff --git a/drivers/media/tuners/si2157_priv.h b/drivers/media/tuners/si2157_priv.h index ecc463db8f69..589d558d381c 100644 --- a/drivers/media/tuners/si2157_priv.h +++ b/drivers/media/tuners/si2157_priv.h @@ -18,6 +18,7 @@ #define SI2157_PRIV_H #include +#include #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 -- 2.20.1