[flashrom] Rayer_SPI and xilinx buffered dlc5 cable

[Andrew Tarabaras]

Hi,

Just a heads up that the rayer_spi module wont work with a buffered xilinx
DLC cable. There is a pull down buffer in the MISO ( Data In ) line which
is enabled when pin 6 of the parallel port is pulled low.

I dont have time to be submitting patches, fix it or not I dont mind.

These are the changes I made.

Global var

static int rayer_pulldown_bit = 4;

in rayer_spi_init()

 after rget_io_perms();

 val = 1;
 lpt_outbyte &= ~(1 << rayer_pullup_bit);
 lpt_outbyte |= (val << rayer_pullup_bit);
 OUTB(lpt_outbyte, lpt_iobase);


Cheers, hope it will help stop someone else spending hours debugging
something that doesn't work.
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