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;
err:
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
@@ -400,6 +402,55 @@ skip_feed_stop:
return ret;
}
+static void dvb_usbv2_media_device_register(struct dvb_usb_device *d)
+{
+#ifdef CONFIG_MEDIA_CONTROLLER
+
+ struct media_device *mdev;
+ struct usb_device *udev = d->udev;
+ int ret;
+
+ mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
+ if (!mdev)
+ return;
+
+ mdev->dev = &udev->dev;
+ strlcpy(mdev->model, d->name, sizeof(mdev->model));
+ if (udev->serial)
+ strlcpy(mdev->serial, udev->serial, sizeof(mdev->serial));
+ strcpy(mdev->bus_info, udev->devpath);
+ mdev->hw_revision = le16_to_cpu(udev->descriptor.bcdDevice);
+ mdev->driver_version = LINUX_VERSION_CODE;
+
+ ret = media_device_register(mdev);
+ if (ret) {
+ dev_err(&d->udev->dev,
+ "Couldn't create a media device. Error: %d\n",
+ ret);
+ kfree(mdev);
+ return;
+ }
+
+ d->media_dev = mdev;
+
+ dev_info(&d->udev->dev, "media controller created\n");
+
+#endif
+}
+
+static void dvb_usbv2_media_device_unregister (struct dvb_usb_device *d)
+{
+#ifdef CONFIG_MEDIA_CONTROLLER
+ if (!d->media_dev)
+ return;
+
+ media_device_unregister(d->media_dev);
+ kfree(d->media_dev);
+ d->media_dev = NULL;
+
+#endif
+}
+
static int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap)
{
int ret;
@@ -416,6 +467,11 @@ static int dvb_usbv2_adapter_dvb_init(struct
dvb_usb_adapter *adap)
adap->dvb_adap.priv = adap;
+#ifdef CONFIG_MEDIA_CONTROLLER
+ dvb_usbv2_media_device_register(d);
+ adap->dvb_adap.mdev = d->media_dev;
+#endif
+
if (d->props->read_mac_address) {
ret = d->props->read_mac_address(adap,
adap->dvb_adap.proposed_mac);
@@ -464,6 +520,7 @@ err_dvb_net_init:
err_dvb_dmxdev_init:
dvb_dmx_release(&adap->demux);
err_dvb_dmx_init:
+ dvb_usbv2_media_device_unregister(d);
dvb_unregister_adapter(&adap->dvb_adap);
err_dvb_register_adapter:
adap->dvb_adap.priv = NULL;
@@ -472,6 +529,8 @@ err_dvb_register_adapter:
static int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap)
{
+ struct dvb_usb_device *d = adap_to_d(adap);
+
dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
adap->id);
@@ -480,6 +539,7 @@ static int dvb_usbv2_adapter_dvb_exit(struct
dvb_usb_adapter *adap)
adap->demux.dmx.close(&adap->demux.dmx);
dvb_dmxdev_release(&adap->dmxdev);
dvb_dmx_release(&adap->demux);
+ dvb_usbv2_media_device_unregister(d);
dvb_unregister_adapter(&adap->dvb_adap);
}
@@ -954,6 +1014,7 @@ void dvb_usbv2_disconnect(struct usb_interface *intf)
struct dvb_usb_device *d = usb_get_intfdata(intf);
const char *name = d->name;
struct device dev = d->udev->dev;
+
dev_dbg(&d->udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
intf->cur_altsetting->desc.bInterfaceNumber);
--
2.1.0
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