195803 – app-laptop/acer_acpi BACKLIGHT_LCD_SUPPORT enabled in kernel

Bug 195803 - app-laptop/acer_acpi BACKLIGHT_LCD_SUPPORT enabled in kernel

Summary: app-laptop/acer_acpi BACKLIGHT_LCD_SUPPORT enabled in kernel

Status:	RESOLVED FIXED

Alias:	None

Product:	Gentoo Linux
Classification:	Unclassified
Component:	New packages (show other bugs)
Hardware:	All Linux

Importance:	High normal (vote)
Assignee:	Jurek Bartuszek (RETIRED)

URL:
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Keywords:

Depends on:
Blocks:

Reported:	2007-10-14 08:12 UTC by Christian Schlotter
Modified:	2008-02-09 14:48 UTC (History)
CC List:	2 users (show)

See Also:
Package list:
Runtime testing required:	---

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Description Christian Schlotter 2007-10-14 08:12:10 UTC

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 Jakub Moc (RETIRED) gentoo-dev

2007-10-14 08:23:36 UTC

There's no app-laptop/acer_laptop anywhere; which ebuild you mean?

Comment 2 Christian Schlotter 2007-10-14 08:38:24 UTC

I'm sorry, that was a typo. It's app-laptop/acer_acpi.

Comment 3 Thomas Sachau gentoo-dev

2007-11-12 19:41:10 UTC

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 Jurek Bartuszek (RETIRED) gentoo-dev

2008-01-30 23:44:18 UTC

Does this happen with acer_acpi-0.10?

Comment 5 Thomas Sachau gentoo-dev

2008-02-02 13:10:35 UTC

I cant tell because of bug 208577

Comment 6 Thomas Sachau gentoo-dev

2008-02-06 16:58:25 UTC

Compiled 0.10 with -j1 and it compiles and works ok for the moment (sorry, cannot change status of the bug)

Comment 7 Christian Schlotter 2008-02-06 18:49:56 UTC

(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 Thomas Sachau gentoo-dev

2008-02-06 20:55:26 UTC

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 Christian Schlotter 2008-02-09 14:48:06 UTC

(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.