Tuner ID set into EEPROM is wrong, which causes driver to select
wrong tuner profile. That leads device non-working. Fix issue by
overriding known bad tuner IDs with suitable default value.
Signed-off-by: Antti Palosaari <crope@xxxxxx>
---
drivers/media/usb/dvb-usb-v2/af9035.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index 021e4d3..204a91a 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -773,6 +773,25 @@ static int af9035_read_config(struct dvb_usb_device *d)
addr += 0x10; /* shift for the 2nd tuner params */
}
+ /*
+ * These AVerMedia devices has a bad EEPROM content :-(
+ * Override some wrong values here.
+ */
+ if (le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_AVERMEDIA) {
+ switch (le16_to_cpu(d->udev->descriptor.idProduct)) {
+ case USB_PID_AVERMEDIA_A835B_1835:
+ case USB_PID_AVERMEDIA_A835B_2835:
+ case USB_PID_AVERMEDIA_A835B_3835:
+ dev_info(&d->udev->dev,
+ "%s: overriding tuner from %02x to %02x\n",
+ KBUILD_MODNAME, state->af9033_config[0].tuner,
+ AF9033_TUNER_IT9135_60);
+
+ state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
+ break;
+ }
+ }
+
skip_eeprom:
/* get demod clock */
ret = af9035_rd_reg(d, 0x00d800, &tmp);
--
1.9.3
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