How about this (attached) patch to atrtc.c? I threw this together (not sure
about limiting the width to 8 bits, I can make it more) and backed out my patch
to acpica and I can still power down my machine properly (haven't tried
suspend/resume yet due to backlight issue). But this seems to be
What error should the address region handler return for ACPI_WRITE attempts to
RTC current date/time registers?
From ACPIspec50.pdf section 5.5.2.4.1 CMOS Protocols:
All bytes of CMOS that are related to the current time, day, date, month,
year and century are read-only.
I return
