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-rw-r--r--Documentation/dvb/bt8xx.txt12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/dvb/bt8xx.txt b/Documentation/dvb/bt8xx.txt
index ecb47adda06..b7b1d1b1da4 100644
--- a/Documentation/dvb/bt8xx.txt
+++ b/Documentation/dvb/bt8xx.txt
@@ -78,6 +78,18 @@ Example:
For a full list of card ID's please see Documentation/video4linux/CARDLIST.bttv.
In case of further problems please subscribe and send questions to the mailing list: linux-dvb@linuxtv.org.
+2c) Probing the cards with broken PCI subsystem ID
+--------------------------------------------------
+There are some TwinHan cards that the EEPROM has become corrupted for some
+reason. The cards do not have correct PCI subsystem ID. But we can force
+probing the cards with broken PCI subsystem ID
+
+ $ echo 109e 0878 $subvendor $subdevice > \
+ /sys/bus/pci/drivers/bt878/new_id
+
+109e: PCI_VENDOR_ID_BROOKTREE
+0878: PCI_DEVICE_ID_BROOKTREE_878
+
Authors: Richard Walker,
Jamie Honan,
Michael Hunold,