diff options
| author | Antti Palosaari <crope@iki.fi> | 2013-01-07 19:29:13 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-21 21:49:02 (GMT) |
| commit | e8c7aab50ddcb84f164422b5c8e0042a6fec6649 (patch) | |
| tree | 8d594099eaef6b1d9aaf557144a2971376357769 /drivers/media/usb | |
| parent | 0d94d6a04b503bed97911d80963ff8e63deee60e (diff) | |
| download | linux-fsl-qoriq-e8c7aab50ddcb84f164422b5c8e0042a6fec6649.tar.xz | |
[media] af9015: reject device TerraTec Cinergy T Stick Dual RC (rev. 2)
That same USB ID is used both AF9015 and AF9035 driver.
iManufacturer is only thing we can select correct driver without a I/O.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/af9015.c | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/af9015.c b/drivers/media/usb/dvb-usb-v2/af9015.c index 2fa7c6e..d556042 100644 --- a/drivers/media/usb/dvb-usb-v2/af9015.c +++ b/drivers/media/usb/dvb-usb-v2/af9015.c @@ -1320,6 +1320,43 @@ static int af9015_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) #define af9015_get_rc_config NULL #endif +static int af9015_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + char manufacturer[sizeof("ITE Technologies, Inc.")]; + + memset(manufacturer, 0, sizeof(manufacturer)); + usb_string(udev, udev->descriptor.iManufacturer, + manufacturer, sizeof(manufacturer)); + /* + * There is two devices having same ID but different chipset. One uses + * AF9015 and the other IT9135 chipset. Only difference seen on lsusb + * is iManufacturer string. + * + * idVendor 0x0ccd TerraTec Electronic GmbH + * idProduct 0x0099 + * bcdDevice 2.00 + * iManufacturer 1 Afatech + * iProduct 2 DVB-T 2 + * + * idVendor 0x0ccd TerraTec Electronic GmbH + * idProduct 0x0099 + * bcdDevice 2.00 + * iManufacturer 1 ITE Technologies, Inc. + * iProduct 2 DVB-T TV Stick + */ + if ((le16_to_cpu(udev->descriptor.idVendor) == USB_VID_TERRATEC) && + (le16_to_cpu(udev->descriptor.idProduct) == 0x0099)) { + if (!strcmp("ITE Technologies, Inc.", manufacturer)) { + dev_dbg(&udev->dev, "%s: rejecting device\n", __func__); + return -ENODEV; + } + } + + return dvb_usbv2_probe(intf, id); +} + /* interface 0 is used by DVB-T receiver and interface 1 is for remote controller (HID) */ static struct dvb_usb_device_properties af9015_props = { @@ -1428,6 +1465,7 @@ static const struct usb_device_id af9015_id_table[] = { &af9015_props, "AverMedia AVerTV Volar M (A815Mac)", NULL) }, { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_RC, &af9015_props, "TerraTec Cinergy T Stick RC", RC_MAP_TERRATEC_SLIM_2) }, + /* XXX: that same ID [0ccd:0099] is used by af9035 driver too */ { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_DUAL_RC, &af9015_props, "TerraTec Cinergy T Stick Dual RC", RC_MAP_TERRATEC_SLIM) }, { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A850T, @@ -1444,7 +1482,7 @@ MODULE_DEVICE_TABLE(usb, af9015_id_table); static struct usb_driver af9015_usb_driver = { .name = KBUILD_MODNAME, .id_table = af9015_id_table, - .probe = dvb_usbv2_probe, + .probe = af9015_probe, .disconnect = dvb_usbv2_disconnect, .suspend = dvb_usbv2_suspend, .resume = dvb_usbv2_resume, |