On Sat, Feb 05, 2005 at 06:10:02PM +0100, Pierre Ossman wrote: > I'm having problem with a card reader on a laptop (Acer Aspire 1501). > The device doesn't get its resources configured properly. > > The reader is connected to the LPC bus so there is no standardised way > to configure the device. On other laptops the configuration is done via > ACPI (_STA & co. in the DSDT). On this laptop these functions don't do a > damn thing. > In Windows this device gets configured through some other means. It's > not in the driver (I've disected it to confirm this). But under Linux > the device is left unconfigured. > > So my question is if anyone has any ideas on how this device gets > configured by Windows and possibly how we can get this to work on Linux. > > The reason this is an issue is that one cannot detect all the quirks of > the hardware so a PNP solution is prefered. In those cases the > manufacturer has chosen resources that work ok. > > For some context: I am the maintainer of the driver for this hardware. I > have a laptop where the DSDT properly sets up the hardware. The Acer > belongs to some of my users but they are not familiar with the kernel so > I'm trying to fix this for them. > > Rgds > Pierre
So the device is not listed in the DSDT, or _SRS doesn't work? Does _STA succeed? Finally have you checked if PnPBIOS detects the device? Any additional information you could provide would be appreciated. Thanks, Adam - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/