From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Antti Palosaari , Mauro Carvalho Chehab , Kamal Mostafa Subject: [PATCH 3.8 011/166] [media] af9035: [0ccd:0099] TerraTec Cinergy T Stick Dual RC (rev. 2) Date: Wed, 15 Jan 2014 13:50:25 -0800 Message-Id: <1389822780-4729-12-git-send-email-kamal@canonical.com> In-Reply-To: <1389822780-4729-1-git-send-email-kamal@canonical.com> References: <1389822780-4729-1-git-send-email-kamal@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.8.13.16 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Antti Palosaari commit b799b8102baa8e63139f0eadef00d75701328775 upstream. 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 Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Kamal Mostafa --- drivers/media/usb/dvb-usb-v2/af9035.c | 42 ++++++++++++++++++++++++++++++++++- 1 file changed, 41 insertions(+), 1 deletion(-) diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index c3cd6be..cbe1373 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -1046,6 +1046,43 @@ err: return ret; } +static int af9035_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + char manufacturer[sizeof("Afatech")]; + + 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("Afatech", 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 const struct dvb_usb_device_properties af9035_props = { @@ -1135,6 +1172,9 @@ static const struct usb_device_id af9035_id_table[] = { &af9035_props, "Asus U3100Mini Plus", NULL) }, { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa, &af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) }, + /* XXX: that same ID [0ccd:0099] is used by af9015 driver too */ + { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099, + &af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) }, { } }; MODULE_DEVICE_TABLE(usb, af9035_id_table); @@ -1142,7 +1182,7 @@ MODULE_DEVICE_TABLE(usb, af9035_id_table); static struct usb_driver af9035_usb_driver = { .name = KBUILD_MODNAME, .id_table = af9035_id_table, - .probe = dvb_usbv2_probe, + .probe = af9035_probe, .disconnect = dvb_usbv2_disconnect, .suspend = dvb_usbv2_suspend, .resume = dvb_usbv2_resume, -- 1.8.3.2