Re: RFC: Cleanup firmware backlight control method selection

2014-05-19 Thread Hans de Goede
Hi, On 05/19/2014 01:24 AM, Mattia Dongili wrote: On Fri, May 16, 2014 at 10:06:15AM +0200, Hans de Goede wrote: snip This is only a problem with crazy PC's which have multiple firmware API's (both standardized and custom ACPI) to control the backlight, which also are sometimes all broken.

Re: RFC: Cleanup firmware backlight control method selection

2014-05-18 Thread Mattia Dongili
On Fri, May 16, 2014 at 10:06:15AM +0200, Hans de Goede wrote: Hi, On 05/16/2014 12:29 AM, Mattia Dongili wrote: On Thu, May 15, 2014 at 11:04:50AM +0200, Hans de Goede wrote: Hi All, There are various issues with how the linux kernel currently select which firmware backlight control

Re: RFC: Cleanup firmware backlight control method selection

2014-05-16 Thread Hans de Goede
Hi, On 05/16/2014 12:29 AM, Mattia Dongili wrote: On Thu, May 15, 2014 at 11:04:50AM +0200, Hans de Goede wrote: Hi All, There are various issues with how the linux kernel currently select which firmware backlight control (*) method to use: 1) There are various module loading ordering

Re: RFC: Cleanup firmware backlight control method selection

2014-05-16 Thread Aaron Lu
On 05/16/2014 04:06 PM, Hans de Goede wrote: Hi, On 05/16/2014 12:29 AM, Mattia Dongili wrote: On Thu, May 15, 2014 at 11:04:50AM +0200, Hans de Goede wrote: Hi All, There are various issues with how the linux kernel currently select which firmware backlight control (*) method to use:

RFC: Cleanup firmware backlight control method selection

2014-05-15 Thread Hans de Goede
Hi All, There are various issues with how the linux kernel currently select which firmware backlight control (*) method to use: 1) There are various module loading ordering issues, leading to different behavior depending on module load ordering: *

Re: RFC: Cleanup firmware backlight control method selection

2014-05-15 Thread Mattia Dongili
On Thu, May 15, 2014 at 11:04:50AM +0200, Hans de Goede wrote: Hi All, There are various issues with how the linux kernel currently select which firmware backlight control (*) method to use: 1) There are various module loading ordering issues, leading to different behavior depending on