updated incorrect assumption in bug description, reflecting my post
above.
** Description changed:
Binary package hint: hal
hal Version: 0.5.10+git20080301-1ubuntu1
gpm Version: 2.21.92-0ubuntu2
- On my Dell Inspiron 1501 laptop brightness keys work fine because they are
done in hardware (bios 2.6.3), but dim on idle/battery does not work. I
narrowed it down to the following method in addon-dell-backlight.cpp not
working (or the libsmbios function it calls):
+ On my Dell Inspiron 1501 laptop (bios 2.6.3) changing brightness and
idle/battery do not work. I narrowed it down to the following method in
addon-dell-backlight.cpp not working (or the libsmbios function it calls):
static void write_backlight (u32 newBacklightValue, dbus_bool_t onAC)
hald gives the following messages
[8587]: 16:18:39.466 [D] addon-dell-backlight.cpp:210: Received SetBrightness
DBus call
[8587]: 16:18:39.466 [E] addon-dell-backlight.cpp:113: Could not access the
dcdbas kernel module. Please make sure it is loaded
The 'dcdbas' module is loaded according to lsmod (and read_backlight
- does work). When this is fixed, gpm also needs to respect
- "laptop_panel.brightness_in_hardware = true' (which is set on my
- laptop). ie, keypresses should not result in "SetBrightness" dbus
- calls. Right now it does send them (according to the change log way back
- in early 2006 it was supported, but it seemed to be ripped out when
- files where reorganized. There is still some code (in gpm-brightness-
- kbd.c), but it is always false. Apart from that the keypresses are
- picked up by gpm-brightness-lcd.c, but there is no code for ignoring
- keypresses here.
-
- Note the that gpm needs to process the keypresses to show the osd (just
- don't send SetBrightness). Ignoring SetBrightness in addon-dell-
- backlight (or deeper down the stack) is also not an option since than
- dim on idle/backlight wont work.
+ does work).
** Summary changed:
- Dim on idle/battery does not work on Dell laptop
+ Brightness and dim on idle/battery do not work on Dell laptop
--
Brightness and dim on idle/battery do not work on Dell laptop
https://bugs.launchpad.net/bugs/201433
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