Date: Tue, 25 May 2004 15:43:55 -0700 From: "Grover, Andrew" <andrew.grover@intel.com> To: "Liam J. Foy" <liamfoy@sepulcrum.org>, <freebsd-acpi@freebsd.org> Subject: RE: APM Patch - review Message-ID: <F760B14C9561B941B89469F59BA3A8470647F8A8@orsmsx401.amr.corp.intel.com>
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Valid values for remaining battery life are 0xFF, and 0-100. -1, 255 and 0xFF are the SAME when looking at an 8 bit value. Since this 8 bit value was sign-extended to 32 bits to go into ai_batt_time, if it was 0xFF, it is now 0xFFFFFFFF, and you will never see 0x000000FF. I will email you the APM spec privately (it's big). Please take a look at page 42 especially. Regards -- Andy
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