Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1945975AbWJSOUr (ORCPT ); Thu, 19 Oct 2006 10:20:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1945971AbWJSOUr (ORCPT ); Thu, 19 Oct 2006 10:20:47 -0400 Received: from tirith.ics.muni.cz ([147.251.4.36]:27068 "EHLO tirith.ics.muni.cz") by vger.kernel.org with ESMTP id S1945964AbWJSOUq (ORCPT ); Thu, 19 Oct 2006 10:20:46 -0400 Message-ID: <453789B2.5040809@gmail.com> Date: Thu, 19 Oct 2006 16:20:34 +0200 From: Jiri Slaby User-Agent: Thunderbird 2.0a1 (X11/20060724) MIME-Version: 1.0 To: "Pallipadi, Venkatesh" CC: Linux kernel mailing list , linux-acpi@vger.kernel.org Subject: Re: speedstep-centrino: ENODEV References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Muni-Spam-TestIP: 147.251.51.189 X-Muni-Envelope-From: jirislaby@gmail.com X-Muni-Virus-Test: Clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2321 Lines: 72 Pallipadi, Venkatesh wrote: > How about acpi-cpufreq? Does it work? How did you mean this, speedstep-centrino (which can also control voltage) is one of acpi-cpufreq drivers, isn't it? > > Thanks, > Venki > >> -----Original Message----- >> From: linux-kernel-owner@vger.kernel.org >> [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Jiri Slaby >> Sent: Wednesday, October 18, 2006 12:01 PM >> To: Linux kernel mailing list >> Cc: linux-acpi@vger.kernel.org >> Subject: speedstep-centrino: ENODEV >> >> Hi! >> >> How is it possible to find out whether or not >> speedstep-centrino is supported. I >> have >> processor : 0 >> vendor_id : GenuineIntel >> cpu family : 6 >> model : 13 >> model name : Intel(R) Pentium(R) M processor 1.60GHz >> stepping : 6 >> cpu MHz : 1600.149 >> cache size : 2048 KB >> fdiv_bug : no >> hlt_bug : no >> f00f_bug : no >> coma_bug : no >> fpu : yes >> fpu_exception : yes >> cpuid level : 2 >> wp : yes >> flags : fpu vme de pse tsc msr mce cx8 apic sep mtrr >> pge mca cmov pat >> clflush dts acpi mmx fxsr sse sse2 ss tm pbe est tm2 >> bogomips : 3201.52 >> >> processor, but speedstep-centrino returns ENODEV because of >> lack of _PCT et al >> entries in DSDT (http://www.fi.muni.cz/~xslaby/sklad/adump). >> It is possible to >> hard-code that values to speedstep-centrino as for banias cpus >> or use corrected >> DSDT that will contain _PCT, _PSS and _PPC, but where may I >> obtain these values? >> >> This is Asus M6R notebook, some DSDT parts of this piece of HW >> are really ugly >> (problems with acpi some time ago). >> >> I may use p4-clockmod (and it points me to speedstep-centrino >> module), but if I >> am correct, it doesn't save battery life? regards, -- http://www.fi.muni.cz/~xslaby/ Jiri Slaby faculty of informatics, masaryk university, brno, cz e-mail: jirislaby gmail com, gpg pubkey fingerprint: B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/