Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-25 Thread Aaron Lu
On 09/26/2014 03:58 AM, Rafael J. Wysocki wrote: > On Thursday, September 25, 2014 11:15:35 AM Aaron Lu wrote: >> Hi Hans, >> >> Thanks for following up and explaining the situation to Pali. >> >> On 09/25/2014 02:21 AM, Pali Rohár wrote: >>> On Wednesday 24 September 2014 16:34:21 Hans de Goede wr

Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-25 Thread Rafael J. Wysocki
On Thursday, September 25, 2014 11:15:35 AM Aaron Lu wrote: > Hi Hans, > > Thanks for following up and explaining the situation to Pali. > > On 09/25/2014 02:21 AM, Pali Rohár wrote: > > On Wednesday 24 September 2014 16:34:21 Hans de Goede wrote: > >> Ok, so the dell-laptop interface is just an

Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-25 Thread Pali Rohár
On Thursday 25 September 2014 05:15:35 Aaron Lu wrote: > Hi Hans, > > Thanks for following up and explaining the situation to Pali. > > On 09/25/2014 02:21 AM, Pali Rohár wrote: > > On Wednesday 24 September 2014 16:34:21 Hans de Goede wrote: > >> Ok, so the dell-laptop interface is just an obsol

Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-24 Thread Aaron Lu
Hi Hans, Thanks for following up and explaining the situation to Pali. On 09/25/2014 02:21 AM, Pali Rohár wrote: > On Wednesday 24 September 2014 16:34:21 Hans de Goede wrote: >> Ok, so the dell-laptop interface is just an obsolete wrapper >> around the i915 opregion code, which shows that the ri

Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-24 Thread Pali Rohár
On Wednesday 24 September 2014 16:34:21 Hans de Goede wrote: > Hi, > > On 09/24/2014 02:53 PM, Pali Rohár wrote: > > On Wednesday 24 September 2014 14:04:36 Hans de Goede wrote: > >> Hi, > >> > >> On 09/24/2014 11:14 AM, Pali Rohár wrote: > >>> On Wednesday 24 September 2014 10:59:41 Pali Rohár w

Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-24 Thread Pali Rohár
On Wednesday 24 September 2014 14:04:36 Hans de Goede wrote: > Hi, > > On 09/24/2014 11:14 AM, Pali Rohár wrote: > > On Wednesday 24 September 2014 10:59:41 Pali Rohár wrote: > >> On Wednesday 24 September 2014 10:19:38 Hans de Goede wrote: > >>> Hi, > >>> > >>> On 09/23/2014 10:44 PM, Pali Rohár

[Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-24 Thread Pali Rohár
Hello, after big changes in acpi video/i915 code I cannot change display brightness on my Dell Latitude E6440 with kernel 3.17-rc6. With kernel 3.13 everything worked fine. More information about this problem: For configuring brightness on Dell laptops there are 4 ways: 1) via acpi video drive

Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-24 Thread Pali Rohár
On Wednesday 24 September 2014 10:59:41 Pali Rohár wrote: > On Wednesday 24 September 2014 10:19:38 Hans de Goede wrote: > > Hi, > > > > On 09/23/2014 10:44 PM, Pali Rohár wrote: > > > On Tuesday 23 September 2014 22:31:31 you wrote: > > >> Hi, > > >> > > >> On 09/23/2014 10:06 PM, Pali Rohár wro

Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-24 Thread Pali Rohár
On Wednesday 24 September 2014 10:19:38 Hans de Goede wrote: > Hi, > > On 09/23/2014 10:44 PM, Pali Rohár wrote: > > On Tuesday 23 September 2014 22:31:31 you wrote: > >> Hi, > >> > >> On 09/23/2014 10:06 PM, Pali Rohár wrote: > >>> Hello, > >>> > >>> after big changes in acpi video/i915 code I

Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-24 Thread Pali Rohár
On Tuesday 23 September 2014 22:31:31 you wrote: > Hi, > > On 09/23/2014 10:06 PM, Pali Rohár wrote: > > Hello, > > > > after big changes in acpi video/i915 code I cannot change > > display brightness on my Dell Latitude E6440 with kernel > > 3.17-rc6. With kernel 3.13 everything worked fine. > >

Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-24 Thread Hans de Goede
Hi, On 09/24/2014 02:53 PM, Pali Rohár wrote: > On Wednesday 24 September 2014 14:04:36 Hans de Goede wrote: >> Hi, >> >> On 09/24/2014 11:14 AM, Pali Rohár wrote: >>> On Wednesday 24 September 2014 10:59:41 Pali Rohár wrote: On Wednesday 24 September 2014 10:19:38 Hans de Goede wrote: >

Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-24 Thread Hans de Goede
Hi, On 09/24/2014 11:14 AM, Pali Rohár wrote: > On Wednesday 24 September 2014 10:59:41 Pali Rohár wrote: >> On Wednesday 24 September 2014 10:19:38 Hans de Goede wrote: >>> Hi, >>> >>> On 09/23/2014 10:44 PM, Pali Rohár wrote: On Tuesday 23 September 2014 22:31:31 you wrote: > Hi, >

Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-24 Thread Hans de Goede
Hi, On 09/23/2014 10:44 PM, Pali Rohár wrote: > On Tuesday 23 September 2014 22:31:31 you wrote: >> Hi, >> >> On 09/23/2014 10:06 PM, Pali Rohár wrote: >>> Hello, >>> >>> after big changes in acpi video/i915 code I cannot change >>> display brightness on my Dell Latitude E6440 with kernel >>> 3.17

Re: [Intel-gfx] ACPI/i915: Cannot configure display brightness on Dell Latitude E6440

2014-09-23 Thread Hans de Goede
Hi, On 09/23/2014 10:06 PM, Pali Rohár wrote: Hello, after big changes in acpi video/i915 code I cannot change display brightness on my Dell Latitude E6440 with kernel 3.17-rc6. With kernel 3.13 everything worked fine. More information about this problem: For configuring brightness on Dell la