Public bug reported:
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):
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.
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
** Affects: hal (Ubuntu)
Importance: Undecided
Status: New
** 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):
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 settbrightness). Ignoring setbrightness in addon-dell-
backlight (or deeper down the stack) is also not an option since than
dim on idle/backlight wont work.
** Also affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
** Summary changed:
- Dim on idle/batery does not work on Dell laptop
+ Dim on idle/battery does not work on Dell laptop
** 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):
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 settbrightness). Ignoring setbrightness in addon-dell-
+ 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.
--
Dim on idle/battery does not work on Dell laptop
https://bugs.launchpad.net/bugs/201433
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