On Friday 23 February 2007 06:08, Henrique de Moraes Holschuh wrote: > On Fri, 23 Feb 2007, Len Brown wrote: > > +config ACPI_IBM_BAY > > + bool "Legacy Removable Bay Support" > > + depends on ACPI_IBM > > + default y > > + ---help--- > > + Allows the ibm_acpi driver to handle removable bays. It will allow > > + disabling the device in the bay, and also generate notifications when > > + the bay lever is ejected or inserted. > > + > > + If you are not sure, say Y here. > > + > > > > Why is the default Y? > > ACPI_BAY is still experimental, and breaks completely on ThinkPads if > whatever is in the bay is not a disk (e.g. if it is a battery), at least > during boot. > > Also, some thinkpads benefit from *optional* extra intelligence on bay > handling during STR (which is not in ibm-acpi yet). E.g. a T43 can save a > few watts if you power off whatever is in the bay right before STR, *as long > as it is not a battery*. > > This is just an interim patch to let people easily disable ibm-acpi bay > support. Another patch making it default to N and depend on !ACPI_BAY can > be added later, but since I did not have a time window to work on ACPI_BAY > + ibm-acpi interaction yet, I fear it is a little early for that. Thanks for the clarification, Henrique. -Len - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html