It works out of the box.

It is also integrated in the Dell Inspiron 1525 (PP29L) notebook.

It is also integrated in the Dell Inspiron 1535 (PP33L) notebook.

It is also integrated in the Lenovo ThinkPad X61 notebook.

It is also integrated in the Lenovo ThinkPad X60s notebook.

lspci -vmmnn

Slot:	08:01.1
Class:	SD Host controller [0805]
Vendor:	Ricoh Co Ltd [1180]
Device:	R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter [0822]
SVendor:	ASUSTeK Computer Inc. [1043]
SDevice:	Device [1767]
Rev:	22

lspci -nnk

08:01.1 SD Host controller [0805]: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter [1180:0822] (rev 22)
	Subsystem: ASUSTeK Computer Inc. Device [1043:1767]
	Kernel driver in use: sdhci-pci
	Kernel modules: sdhci-pci

lspci -nnk

SD Host controller [0805]: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter [1180:0822] (rev 19)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: sdhci-pci
	Kernel modules: sdhci-pci