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Bug#: 195803
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Status: RESOLVED
Resolution: FIXED
Assigned To: Jurek Bartuszek <jurek@gentoo.org>
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Reporter: Christian Schlotter <again@gmx.de>
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Description:   Opened: 2007-10-14 08:12 0000 
Hi!

The line
CONFIG_CHECK="LEDS_CLASS"
in the ebuild has to be replaced with
CONFIG_CHECK="LEDS_CLASS BACKLIGHT_LCD_SUPPORT"
in order for portage to complain if the file "linux/backlight.h" is missing. 
"acer_acpi.c" needs this file, as it is included in line 63:
#include <linux/backlight.h>

Best regards
Christian

------- Comment #1 From Jakub Moc 2007-10-14 08:23:36 0000 ------- 
There's no app-laptop/acer_laptop anywhere; which ebuild you mean?

------- Comment #2 From Christian Schlotter 2007-10-14 08:38:24 0000 ------- 
I'm sorry, that was a typo. It's app-laptop/acer_acpi.

------- Comment #3 From Thomas Sachau 2007-11-12 19:41:10 0000 ------- 
acer_acpie-0.8.2 has 2 warnings while compiling about this backlight:

WARNING: //lib/modules/2.6.23-hardened-r1/extra/acer_acpi.ko needs unknown
symbol backlight_device_unregister
WARNING: //lib/modules/2.6.23-hardened-r1/extra/acer_acpi.ko needs unknown
symbol backlight_device_register

And if i try to load the module with "modprobe acer_acpi", it fails because of
both symbols are unknown, so i have to stick with acer_acpi-0.7, which works
fine for me

------- Comment #4 From Jurek Bartuszek 2008-01-30 23:44:18 0000 ------- 
Does this happen with acer_acpi-0.10?

------- Comment #5 From Thomas Sachau 2008-02-02 13:10:35 0000 ------- 
I cant tell because of bug 208577

------- Comment #6 From Thomas Sachau 2008-02-06 16:58:25 0000 ------- 
Compiled 0.10 with -j1 and it compiles and works ok for the moment (sorry,
cannot change status of the bug)

------- Comment #7 From Christian Schlotter 2008-02-06 18:49:56 0000 ------- 
(In reply to comment #6)
> Compiled 0.10 with -j1 and it compiles and works ok for the moment (sorry,
> cannot change status of the bug)

Did you enable BACKLIGHT_LCD_SUPPORT in your kernel, or are your kernel
settings the same that failed with 0.8.2 in comment #3?

------- Comment #8 From Thomas Sachau 2008-02-06 20:55:26 0000 ------- 
I cant say for sure any more. If i remember it right, i tried first without and
afterwards with BACKLIGHT_LCD_SUPPORT (perhaps i did not reboot with that
kernel?), but i am not sure.

------- Comment #9 From Christian Schlotter 2008-02-09 14:48:06 0000 ------- 
(In reply to comment #4)
> Does this happen with acer_acpi-0.10?

I can confirm that acer_acpi-0.10 compiles fine with -j1.
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