From: Rich T. <rh...@ba...> - 2005-01-15 06:39:47
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Matthew Garrett wrote: > On Fri, 2005-01-14 at 14:23 -0500, Rich Townsend wrote: > > >>...provides access to the SBS via a new /proc/acpi/sbs interface, and >>also provides a "legacy" /proc/acpi/battery interface that current >>battery-monitoring tools can access. This driver depends on Bruno's >>i2c-acpi-ec driver, which I have included with my source code since a >>couple of bug fixes were necessary. > > > One thing I've been meaning to ask - several Thinkpads have an > interesting design issue, whereby reading certain smbus addresses can > render the machine unbootable without a motherboard replacement. As a > result, i2c-piix refuses to load on Thinkpads. Does something similar > need to be done for i2c-acpi-ec, or does it only provide i2c access to > devices connected to the embedded controller? > My gut instinct would be that the i2c-acpi-ec SBMus host in the embedded controller is distinct from the i2c-piix SMBus host in the southbridge. But I really am very new to all of this, and gut instinct won't bring a dead Thinkpad back to life. I would sit tight until someone with deeper knowledge says "yay or nay". cheers, Rich |