Date: Wed, 01 Sep 2004 19:25:54 +0900 From: takawata@jp.freebsd.org To: vova@fbsd.ru Cc: freebsd-current@freebsd.org Subject: Re: acpi_video on SONY VAIO PCG-Z1 [was: acpi_video users needed] Message-ID: <200409011025.TAA11139@axe-inc.co.jp> In-Reply-To: Your message of "Wed, 01 Sep 2004 13:43:33 %2B0400." <1094031813.903.13.camel@localhost>
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In message <1094031813.903.13.camel@localhost>, Vladimir Grebenschikov wrote: >On Wed, 2004-09-01 at 12:43 +0400, Toxa wrote: >> On Wed, Sep 01, 2004 at 11:38:57AM +0900, takawata@jp.freebsd.org wrote: >> >> > I don't imagine why. But any other method in SNC may do something. >> > I modified the driver so that it exports more methods. >> > http://www.init-main.com/acpi_snc2.tar.gz >> >> > Testers wanted. >> >> sony vaio pcg-v505bx... > >sony vzio pcg-z1aw > >almost same: > ># sysctl dev.acpi_snc >dev.acpi_snc.0.brightness: 98 >dev.acpi_snc.0.ctr: 0 >dev.acpi_snc.0.pcr: 0 >dev.acpi_snc.0.cmi: -1044294180 >dev.acpi_snc.0.wdp: 1281 >dev.acpi_snc.0.cdp: 1 >dev.acpi_snc.0.%desc: Sony notebook controller >dev.acpi_snc.0.%driver: acpi_snc >dev.acpi_snc.0.%location: handle=\_SB_.PCI0.LPCB.SNC_ >dev.acpi_snc.0.%pnpinfo: _HID=SNY5001 _UID=0 >dev.acpi_snc.0.%parent: acpi0 ># > >dmesg message appears: > ACPI-1303: *** Error: Method execution failed [\ >\_SB_.PCI0.LPCB.SNC_.GCMI] (Node 0xc1a3a6a0), AE_AML_UNINITIALIZED_ARG > > >on each ># sysctl dev.acpi_snc.0.cmi This value should not exported in this way, it seems. Please comment out the entry in the array for defining sysctl value. >value of >dev.acpi_snc.0.brightness >change real brightness of screen but by very strange law: > ># i=1; while [ $i -le 100 ]; do echo "try $i"; sysctl >dev.acpi_snc.0.brightness=$i; echo -n 'read value '; setbrightness -- >read; i=$(($i+1)); done >read value 248 (snip) >Real display brightness changed according "read value %d", so while this >operations screen brightness was jumping. setbritness is dangerous with this driver, because it use same register without locking. How about real brightness change?home | help
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