sony-vaio-z-series team mailing list archive

[Tom Fisher <tom@xxxxxxx>]

according to this page requesting support for the Ricoh R5C822 based
memory stick reader for ubuntu:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/238208

"Maxim Levitsky  wrote on 2010-04-08:  	  #39
...
I know exactly how to write [the driver], and it is only matter of time
before I do.I already managed to read whole card."

and

"Maxim Levitsky  wrote on 2010-06-02:  	  #45
I have exams now, in about 2 months, I plan to write the driver."

Not sure if we've all got the same one, but my VAIO-Z690 has that chip
in it:
$ lspci -nn
...
0b:04.2 SD Host controller [0805]: Ricoh Co Ltd R5C822
SD/SDIO/MMC/MS/MSPro Host Adapter [1180:0822] (rev 21)
0b:04.4 System peripheral [0880]: Ricoh Co Ltd R5C592 Memory Stick Bus
Host Adapter [1180:0592] (rev 11)