[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 --- Comment #28 from tetrom...@gmail.com 2008-12-22 23:58 --- Start with brightness at 85% # cat /proc/acpi/video/VGA/LCDD/brightness levels: 100 90 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 100 current: 85 /* pressing hotkey

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 rui.zh...@intel.com changed: What|Removed |Added Attachment #19369|0 |1 is obsolete|

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 rui.zh...@intel.com changed: What|Removed |Added Attachment #19371|0 |1 is obsolete|

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 --- Comment #13 from tetrom...@gmail.com 2008-12-19 00:06 --- First: it seems that your customized DSDT produces a lot of error messages. [ 32.209855] ACPI Exception (exoparg2-0444): AE_AML_BUFFER_LIMIT, Index (000FF) is beyond

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 --- Comment #1 from tetrom...@gmail.com 2008-12-18 13:12 --- Created an attachment (id=19362) -- (http://bugzilla.kernel.org/attachment.cgi?id=19362action=view) original acpidump Acpidump output attached (SL300 BIOS version 1.16)

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 --- Comment #2 from tetrom...@gmail.com 2008-12-18 13:19 --- Created an attachment (id=19363) -- (http://bugzilla.kernel.org/attachment.cgi?id=19363action=view) customized DSDT I also tried a customized DSDT table (modified it in the

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 yakui.z...@intel.com changed: What|Removed |Added CC||acpi- |

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 rui.zh...@intel.com changed: What|Removed |Added AssignedTo|acpi_power-vi...@kernel-|rui.zh...@intel.com

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 rui.zh...@intel.com changed: What|Removed |Added Status|ASSIGNED|NEEDINFO -- Configure bugmail:

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 --- Comment #4 from tetrom...@gmail.com 2008-12-18 19:07 --- (In reply to comment #3) Created an attachment (id=19366) -- (http://bugzilla.kernel.org/attachment.cgi?id=19366action=view) [details] patch: always update the

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 --- Comment #5 from rui.zh...@intel.com 2008-12-18 19:32 --- (In reply to comment #4) (In reply to comment #3) Created an attachment (id=19366) -- (http://bugzilla.kernel.org/attachment.cgi?id=19366action=view) [details] [details]

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 --- Comment #6 from tetrom...@gmail.com 2008-12-18 19:52 --- Created an attachment (id=19368) -- (http://bugzilla.kernel.org/attachment.cgi?id=19368action=view) dmesg output (In reply to comment #5) Never trust the brightness value

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 --- Comment #7 from rui.zh...@intel.com 2008-12-18 21:40 --- please attach the result of grep . /proc/acpi/video/*/*/brightness -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 rui.zh...@intel.com changed: What|Removed |Added Attachment #19363|0 |1 is obsolete|

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 --- Comment #9 from tetrom...@gmail.com 2008-12-18 22:51 --- (In reply to comment #7) please attach the result of grep . /proc/acpi/video/*/*/brightness With my current DSDT: # grep . /proc/acpi/video/*/*/brightness

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 --- Comment #10 from tetrom...@gmail.com 2008-12-18 23:08 --- With your customized DSDT: # grep . /proc/acpi/video/*/*/brightness /proc/acpi/video/VGA/CRTD/brightness:not supported /proc/acpi/video/VGA/DVID/brightness:not supported

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 --- Comment #11 from rui.zh...@intel.com 2008-12-18 23:35 --- Created an attachment (id=19371) -- (http://bugzilla.kernel.org/attachment.cgi?id=19371action=view) source code of the customized DSDT attached per Alexandre's request. :)

[Bug 12249] Lenovo ThinkPad SL series: LCD brightness works in procfs, buggy in sysfs

http://bugzilla.kernel.org/show_bug.cgi?id=12249 --- Comment #12 from rui.zh...@intel.com 2008-12-18 23:55 --- Created an attachment (id=19372) -- (http://bugzilla.kernel.org/attachment.cgi?id=19372action=view) video debug patch please apply this patch, and attach the dmesg output

<    1   2