[linux-dvb] Re: Missing Subsystem

[Ralph Metzler <rjkm@metzlerbros.de>]

Oliver Endriss writes:
 > On Friday 26 September 2003 14:52, Bruno Hellstern wrote:
 > > ...
 > > here ist the output of both cards, 1st without subsystem:
 > > 
 > > 00:0d.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01)
 > >         Flags: bus master, medium devsel, latency 64, IRQ 10
 > >         Memory at ff000800 (32-bit, non-prefetchable) [size=512]
 > > 00: 31 11 46 71 06 00 80 02 01 00 80 04 00 40 00 00
 > > 10: 00 08 00 ff 00 00 00 00 00 00 00 00 00 00 00 00
 > > 20: 00 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff
 >                                           ^^^^^^^^^^^
 > > 30: 00 00 00 00 00 00 00 00 00 00 00 00 0a 01 ff ff
 > 
 > This card has an invalid sub-vendor/device id. :-(
 > Obviously the eeprom of the card is broken or has been overwritten.
 > 
 > As a workaround you can add the line
 >   { PHILIPS_SAA7146, 0xffff, 0xffff, CARD_INFO fs_1_3 },
 > to the table at the end of saa7146_core.c


If the EEPROM is still writable you could also try to write the
correct values.
The 0.7.x bttv driver dist contains a tool to read/write EEPROMs via
i2c-dev if your driver supports it.


Ralph




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