Em Wed, 11 Feb 2015 22:04:44 -0200
Rafael Lourenço de Lima Chehab <chehabraf...@gmail.com> escreveu:
> Create a struct media_device and add it to the dvb adapter.
>
> Please notice that the tuner is not mapped yet by the dvb core.
>
> Signed-off-by: Rafael Lourenço de Lima Chehab <chehabraf...@gmail.com>
> ---
> drivers/media/usb/dvb-usb-v2/dvb_usb.h | 5 +++
> drivers/media/usb/dvb-usb-v2/dvb_usb_core.c | 61
> +++++++++++++++++++++++++++++
> 2 files changed, 66 insertions(+)
>
> diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb.h
> b/drivers/media/usb/dvb-usb-v2/dvb_usb.h
> index 14e111e13e54..b273250d0e31 100644
> --- a/drivers/media/usb/dvb-usb-v2/dvb_usb.h
> +++ b/drivers/media/usb/dvb-usb-v2/dvb_usb.h
> @@ -25,6 +25,7 @@
> #include <linux/usb/input.h>
> #include <linux/firmware.h>
> #include <media/rc-core.h>
> +#include <media/media-device.h>
>
> #include "dvb_frontend.h"
> #include "dvb_demux.h"
> @@ -389,6 +390,10 @@ struct dvb_usb_device {
> struct delayed_work rc_query_work;
>
> void *priv;
> +
> +#if defined(CONFIG_MEDIA_CONTROLLER)
> + struct media_device *media_dev;
> +#endif
> };
>
> extern int dvb_usbv2_probe(struct usb_interface *,
> diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
> b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
> index 1950f37df835..ea4d7bec8fc1 100644
> --- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
> +++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
> @@ -86,6 +86,8 @@ static int dvb_usbv2_i2c_init(struct dvb_usb_device *d)
> goto err;
> }
>
> + dvb_create_media_graph(d->media_dev);
> +
> return 0;
Hmm... this is being called too early. It should be called, instead, at
dvb_usbv2_adapter_frontend_init():
diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
index f3d1211..0fd184c 100644
--- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
@@ -86,8 +86,6 @@ static int dvb_usbv2_i2c_init(struct dvb_usb_device *d)
goto err;
}
- dvb_create_media_graph(d->media_dev);
-
return 0;
err:
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
@@ -703,6 +701,8 @@ static int dvb_usbv2_adapter_frontend_init(struct
dvb_usb_adapter *adap)
}
}
+ dvb_create_media_graph(d->media_dev);
+
return 0;
err_dvb_unregister_frontend:
With the above change, the patch looks OK on my eyes.
I did a quick test here with two devices:
$ media-ctl -p
Media controller API version 0.1.0
Media device information
------------------------
driver usb
model TerraTec Cinergy T Stick RC
serial 010101010600001
bus info 1.2
hw revision 0x200
driver version 3.19.0
Device topology
- entity 1: demux (2 pads, 2 links)
type Node subtype DVB DEMUX flags 0
device node name /dev/dvb/adapter0/demux0
pad0: Sink
<- "Afatech AF9013":1 [ENABLED]
pad1: Source
-> "dvr":0 [ENABLED]
- entity 2: dvr (1 pad, 1 link)
type Node subtype DVB DVR flags 0
device node name /dev/dvb/adapter0/dvr0
pad0: Sink
<- "demux":1 [ENABLED]
- entity 3: dvb net (0 pad, 0 link)
type Node subtype DVB NET flags 0
device node name /dev/dvb/adapter0/net0
- entity 4: Afatech AF9013 (2 pads, 1 link)
type Node subtype DVB FE flags 0
device node name /dev/dvb/adapter0/frontend0
pad0: Sink
pad1: Source
-> "demux":0 [ENABLED]
$ media-ctl -p -d /dev/media1
Media controller API version 0.1.0
Media device information
------------------------
driver usb
model DVBSky S960CI
serial 20130508
bus info 2
hw revision 0x0
driver version 3.19.0
Device topology
- entity 1: demux (2 pads, 3 links)
type Node subtype DVB DEMUX flags 0
device node name /dev/dvb/adapter1/demux0
pad0: Sink
<- "Montage M88DS3103":1 [ENABLED]
pad1: Source
-> "dvr":0 [ENABLED]
-> "ca_en50221":0 [ENABLED]
- entity 2: dvr (1 pad, 1 link)
type Node subtype DVB DVR flags 0
device node name /dev/dvb/adapter1/dvr0
pad0: Sink
<- "demux":1 [ENABLED]
- entity 3: dvb net (0 pad, 0 link)
type Node subtype DVB NET flags 0
device node name /dev/dvb/adapter1/net0
- entity 4: ca_en50221 (2 pads, 1 link)
type Node subtype DVB CA flags 0
device node name /dev/dvb/adapter1/ca0
pad0: Sink
<- "demux":1 [ENABLED]
pad1: Source
- entity 5: Montage M88DS3103 (2 pads, 1 link)
type Node subtype DVB FE flags 0
device node name /dev/dvb/adapter1/frontend0
pad0: Sink
pad1: Source
-> "demux":0 [ENABLED]
Both devices are OK on my eyes.
Regards,
Mauro
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