Messages in this thread Patch in this message | | | Date | Thu, 12 Feb 1998 15:39:56 -0500 (EST) | From | "C. Scott Ananian" <> | Subject | Re: apm_bios: set display ready : Unrecognized device ID |
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On Thu, 12 Feb 1998 "Garst R. Reese" <reese@isn.net>
> Nice to see some new work on the apm_bios code in 2.1.86. I tried again > setting screen blank on (turn off backlight), but still this msg. > Midwest Micro soundbook elite DX2/66 monochome. Battery status works. > APM Bios 1.0. Is this problem unfixable?
You've got a buggy BIOS. Try this patch; tell me if it fixes the problem. [If it doesn't, it just means that your APM BIOS doesn't support screen blanking.] --Scott @ @ =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-oOO-(_)-OOo-=-=-=-=-= C. Scott Ananian: cananian@lcs.mit.edu / Declare the Truth boldly and Laboratory for Computer Science/Crypto / without hindrance. Massachusetts Institute of Technology /META-PARRESIAS AKOLUTOS:Acts 28:31 -.-. .-.. .. ..-. ..-. --- .-. -.. ... -.-. --- - - .- -. .- -. .. .- -. PGP key available via finger and from http://www.pdos.lcs.mit.edu/~cananian
--- linux/drivers/char/apm_bios.c.orig Wed Feb 11 01:13:06 1998 +++ linux/drivers/char/apm_bios.c Thu Feb 12 15:35:55 1998 @@ -261,7 +261,7 @@ #define APM_SET_DISPLAY_POWER_STATE(state, error) \ APM_BIOS_CALL(al) \ : "=a" (error) \ - : "a" (0x5307), "b" (0x01ff), "c" (state) \ + : "a" (0x5307), "b" (0x0100), "c" (state) \ APM_BIOS_CALL_END #endif
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