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-rw-r--r--drivers/media/usb/dvb-usb-v2/af9035.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index 51e607ea3add..792667ee5ebc 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -1619,6 +1619,24 @@ static int it930x_tuner_attach(struct dvb_usb_adapter *adap)
memset(&si2157_config, 0, sizeof(si2157_config));
si2157_config.fe = adap->fe[0];
+
+ /*
+ * HACK: The Logilink VG0022A has a bug: when the si2157
+ * firmware that came with the device is replaced by a new
+ * one, the I2C transfers to the tuner will return just 0xff.
+ *
+ * Probably, the vendor firmware has some patch specifically
+ * designed for this device. So, we can't replace by the
+ * generic firmware. The right solution would be to extract
+ * the si2157 firmware from the original driver and ask the
+ * driver to load the specifically designed firmware, but,
+ * while we don't have that, the next best solution is to just
+ * keep the original firmware at the device.
+ */
+ if (le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_DEXATEK &&
+ le16_to_cpu(d->udev->descriptor.idProduct) == 0x0100)
+ si2157_config.dont_load_firmware = true;
+
si2157_config.if_port = it930x_addresses_table[state->it930x_addresses].tuner_if_port;
ret = af9035_add_i2c_dev(d, "si2157",
it930x_addresses_table[state->it930x_addresses].tuner_i2c_addr,
@@ -2130,6 +2148,8 @@ static const struct usb_device_id af9035_id_table[] = {
&it930x_props, "ITE 9303 Generic", NULL) },
{ DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TD310,
&it930x_props, "AVerMedia TD310 DVB-T2", NULL) },
+ { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x0100,
+ &it930x_props, "Logilink VG0022A", NULL) },
{ }
};
MODULE_DEVICE_TABLE(usb, af9035_id_table);