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author | Rafael Lourenço de Lima Chehab <chehabrafael@gmail.com> | 2015-02-12 08:37:25 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-02-26 09:49:07 -0300 |
commit | 6f6c77d8d2e2fc77395d6bb9ed670161f18b6bd4 (patch) | |
tree | abd9e0092256574250ce3689334a4d319e1e832e | |
parent | 4b208f8b561ffa5f3b7f6887bf8dc3038c67eee9 (diff) | |
download | linux-6f6c77d8d2e2fc77395d6bb9ed670161f18b6bd4.tar.gz linux-6f6c77d8d2e2fc77395d6bb9ed670161f18b6bd4.tar.bz2 linux-6f6c77d8d2e2fc77395d6bb9ed670161f18b6bd4.zip |
[media] dvb-usb-v2: add support for the media controller at USB driver
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.
[mchehab@osg.samsung.com: use config option MEDIA_CONTROLLER_DVB due to a rebase]
Signed-off-by: Rafael Lourenço de Lima Chehab <chehabrafael@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-rw-r--r-- | drivers/media/usb/dvb-usb-v2/dvb_usb.h | 5 | ||||
-rw-r--r-- | drivers/media/usb/dvb-usb-v2/dvb_usb_core.c | 61 |
2 files changed, 66 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb.h b/drivers/media/usb/dvb-usb-v2/dvb_usb.h index 41c6363dff08..dbac1633312a 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" @@ -391,6 +392,10 @@ struct dvb_usb_device { struct delayed_work rc_query_work; void *priv; + +#if defined(CONFIG_MEDIA_CONTROLLER_DVB) + 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 9913e0f59485..94a7f6390f46 100644 --- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c +++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c @@ -400,6 +400,55 @@ skip_feed_stop: return ret; } +static void dvb_usbv2_media_device_register(struct dvb_usb_device *d) +{ +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + + 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_DVB + 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 +465,11 @@ static int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap) adap->dvb_adap.priv = adap; +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + 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 +518,7 @@ 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 +527,8 @@ 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 +537,7 @@ 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); } @@ -643,6 +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: @@ -955,6 +1015,7 @@ 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); |