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Old 11-20-2008, 03:33 PM
Andy Whitcroft
 
Default SRU: LP#257827 -- acpi brightness control

This series represents a backport of a change to the ACPI backlight
support. This change was original done to sort out brightness control
problems for a number of different laptop models triggered by non-existant
devices being created (as reported on this bug). These changes also
are reported to fix boot crashes on a number of Samsung laptops (as
reported on LP#146692). All of these changes are direct back ports from
mainline, no changes were needed to apply them. They are all upstream
as of v2.6.28-rc5.

I have built test kernels with these applied and a number of community
members have tested these and confirm that they do indeed allow those
laptops to boot and brightness control is improved there.

Proposing these for SRU to Intrepid.

-apw

*** BLURB HERE ***

Thomas Renninger (10):
ACPI: video: Ignore devices that aren't present in hardware
ACPI video: if no ACPI backlight support, use vendor drivers
Acer-WMI: fingers off backlight if video.ko is serving this
functionality
asus-acpi: fingers off backlight if video.ko is serving this
functionality
compal: fingers off backlight if video.ko is serving this
functionality
eeepc-laptop: fingers off backlight if video.ko is serving this
functionality
fujitsu-laptop: fingers off backlight if video.ko is serving this
functionality
msi-laptop: fingers off backlight if video.ko is serving this
functionality
sony-laptop: fingers off backlight if video.ko is serving this
functionality
thinkpad_acpi: fingers off backlight if video.ko is serving this
functionality

Documentation/kernel-parameters.txt | 12 ++
drivers/acpi/Makefile | 4 +
drivers/acpi/glue.c | 40 +++++
drivers/acpi/scan.c | 32 +----
drivers/acpi/video.c | 35 +++--
drivers/acpi/video_detect.c | 268 +++++++++++++++++++++++++++++++++++
drivers/misc/acer-wmi.c | 6 +
drivers/misc/asus-laptop.c | 10 +-
drivers/misc/compal-laptop.c | 12 +-
drivers/misc/eeepc-laptop.c | 12 ++-
drivers/misc/fujitsu-laptop.c | 26 ++--
drivers/misc/msi-laptop.c | 16 ++-
drivers/misc/sony-laptop.c | 6 +-
drivers/misc/thinkpad_acpi.c | 29 +++--
include/acpi/acpi_bus.h | 2 +
include/linux/acpi.h | 44 ++++++
16 files changed, 470 insertions(+), 84 deletions(-)
create mode 100644 drivers/acpi/video_detect.c


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Old 11-20-2008, 03:44 PM
Ben Collins
 
Default SRU: LP#257827 -- acpi brightness control

On Thu, 2008-11-20 at 16:33 +0000, Andy Whitcroft wrote:
> This series represents a backport of a change to the ACPI backlight
> support. This change was original done to sort out brightness control
> problems for a number of different laptop models triggered by non-existant
> devices being created (as reported on this bug). These changes also
> are reported to fix boot crashes on a number of Samsung laptops (as
> reported on LP#146692). All of these changes are direct back ports from
> mainline, no changes were needed to apply them. They are all upstream
> as of v2.6.28-rc5.
>
> I have built test kernels with these applied and a number of community
> members have tested these and confirm that they do indeed allow those
> laptops to boot and brightness control is improved there.
>
> Proposing these for SRU to Intrepid.

ACKing the whole lot.

> -apw
>
> *** BLURB HERE ***
>
> Thomas Renninger (10):
> ACPI: video: Ignore devices that aren't present in hardware
> ACPI video: if no ACPI backlight support, use vendor drivers
> Acer-WMI: fingers off backlight if video.ko is serving this
> functionality
> asus-acpi: fingers off backlight if video.ko is serving this
> functionality
> compal: fingers off backlight if video.ko is serving this
> functionality
> eeepc-laptop: fingers off backlight if video.ko is serving this
> functionality
> fujitsu-laptop: fingers off backlight if video.ko is serving this
> functionality
> msi-laptop: fingers off backlight if video.ko is serving this
> functionality
> sony-laptop: fingers off backlight if video.ko is serving this
> functionality
> thinkpad_acpi: fingers off backlight if video.ko is serving this
> functionality
>
> Documentation/kernel-parameters.txt | 12 ++
> drivers/acpi/Makefile | 4 +
> drivers/acpi/glue.c | 40 +++++
> drivers/acpi/scan.c | 32 +----
> drivers/acpi/video.c | 35 +++--
> drivers/acpi/video_detect.c | 268 +++++++++++++++++++++++++++++++++++
> drivers/misc/acer-wmi.c | 6 +
> drivers/misc/asus-laptop.c | 10 +-
> drivers/misc/compal-laptop.c | 12 +-
> drivers/misc/eeepc-laptop.c | 12 ++-
> drivers/misc/fujitsu-laptop.c | 26 ++--
> drivers/misc/msi-laptop.c | 16 ++-
> drivers/misc/sony-laptop.c | 6 +-
> drivers/misc/thinkpad_acpi.c | 29 +++--
> include/acpi/acpi_bus.h | 2 +
> include/linux/acpi.h | 44 ++++++
> 16 files changed, 470 insertions(+), 84 deletions(-)
> create mode 100644 drivers/acpi/video_detect.c
>
>


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Old 11-20-2008, 05:22 PM
Tim Gardner
 
Default SRU: LP#257827 -- acpi brightness control

Andy Whitcroft wrote:
> This series represents a backport of a change to the ACPI backlight
> support. This change was original done to sort out brightness control
> problems for a number of different laptop models triggered by non-existant
> devices being created (as reported on this bug). These changes also
> are reported to fix boot crashes on a number of Samsung laptops (as
> reported on LP#146692). All of these changes are direct back ports from
> mainline, no changes were needed to apply them. They are all upstream
> as of v2.6.28-rc5.
>
> I have built test kernels with these applied and a number of community
> members have tested these and confirm that they do indeed allow those
> laptops to boot and brightness control is improved there.
>
> Proposing these for SRU to Intrepid.
>
> -apw

Disregard previous transmission wrt to '[PATCH 01/10] ACPI: video:
Ignore devices that aren't present in hardware'

Provisional ACK pending test results.
--
Tim Gardner tim.gardner@canonical.com

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Old 11-21-2008, 04:16 PM
Andy Whitcroft
 
Default SRU: LP#257827 -- acpi brightness control

On Thu, Nov 20, 2008 at 11:22:55AM -0700, Tim Gardner wrote:
> Andy Whitcroft wrote:
> > This series represents a backport of a change to the ACPI backlight
> > support. This change was original done to sort out brightness control
> > problems for a number of different laptop models triggered by non-existant
> > devices being created (as reported on this bug). These changes also
> > are reported to fix boot crashes on a number of Samsung laptops (as
> > reported on LP#146692). All of these changes are direct back ports from
> > mainline, no changes were needed to apply them. They are all upstream
> > as of v2.6.28-rc5.
> >
> > I have built test kernels with these applied and a number of community
> > members have tested these and confirm that they do indeed allow those
> > laptops to boot and brightness control is improved there.
> >
> > Proposing these for SRU to Intrepid.
> >
> > -apw
>
> Disregard previous transmission wrt to '[PATCH 01/10] ACPI: video:
> Ignore devices that aren't present in hardware'
>
> Provisional ACK pending test results.

I have rebased these onto the top of the 2.6.27-10.20 and pushed those
up for any intrested testers. So far we have three positive tests
results from the boot crashing Samsung laptops, with some reports of
improved brightness handling from them. That seems pretty positive.
Will see if anyone from the primary report gives us any feedback this
weekend.

-apw

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Old 12-01-2008, 11:48 AM
Andy Whitcroft
 
Default SRU: LP#257827 -- acpi brightness control

On Fri, Nov 21, 2008 at 05:16:10PM +0000, Andy Whitcroft wrote:
> On Thu, Nov 20, 2008 at 11:22:55AM -0700, Tim Gardner wrote:
> > Andy Whitcroft wrote:
> > > This series represents a backport of a change to the ACPI backlight
> > > support. This change was original done to sort out brightness control
> > > problems for a number of different laptop models triggered by non-existant
> > > devices being created (as reported on this bug). These changes also
> > > are reported to fix boot crashes on a number of Samsung laptops (as
> > > reported on LP#146692). All of these changes are direct back ports from
> > > mainline, no changes were needed to apply them. They are all upstream
> > > as of v2.6.28-rc5.
> > >
> > > I have built test kernels with these applied and a number of community
> > > members have tested these and confirm that they do indeed allow those
> > > laptops to boot and brightness control is improved there.
> > >
> > > Proposing these for SRU to Intrepid.
> > >
> > > -apw
> >
> > Disregard previous transmission wrt to '[PATCH 01/10] ACPI: video:
> > Ignore devices that aren't present in hardware'
> >
> > Provisional ACK pending test results.
>
> I have rebased these onto the top of the 2.6.27-10.20 and pushed those
> up for any intrested testers. So far we have three positive tests
> results from the boot crashing Samsung laptops, with some reports of
> improved brightness handling from them. That seems pretty positive.
> Will see if anyone from the primary report gives us any feedback this
> weekend.

We have had little further feedback. As this fixes a number of
non-booting laptops we should probabally accept this for Intrepid. If
you concur I can push this.

-apw

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