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>
next in thread | previous in thread | raw e-mail | index | archive | help
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?
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200409011025.TAA11139>