Strange effect with i915 backlight controller

2011-11-16 Thread Takashi Iwai
At Wed, 16 Nov 2011 13:58:57 +0100, Daniel Mack wrote: > > On 11/14/2011 11:39 AM, Takashi Iwai wrote: > > OK, then perhaps a better fix is to change the check to be equivalent > > with pineview, as you mentioned in the original post. The handling of > > bit 0 for old chips was lost during the

Strange effect with i915 backlight controller

2011-11-16 Thread Daniel Mack
On 11/14/2011 11:39 AM, Takashi Iwai wrote: > OK, then perhaps a better fix is to change the check to be equivalent > with pineview, as you mentioned in the original post. The handling of > bit 0 for old chips was lost during the refactoring of backlight code > since 2.6.37. > > Does the patch

Re: Strange effect with i915 backlight controller

2011-11-16 Thread Daniel Mack
On 11/14/2011 11:39 AM, Takashi Iwai wrote: OK, then perhaps a better fix is to change the check to be equivalent with pineview, as you mentioned in the original post. The handling of bit 0 for old chips was lost during the refactoring of backlight code since 2.6.37. Does the patch below

Re: Strange effect with i915 backlight controller

2011-11-16 Thread Takashi Iwai
At Wed, 16 Nov 2011 13:58:57 +0100, Daniel Mack wrote: On 11/14/2011 11:39 AM, Takashi Iwai wrote: OK, then perhaps a better fix is to change the check to be equivalent with pineview, as you mentioned in the original post. The handling of bit 0 for old chips was lost during the

Strange effect with i915 backlight controller

2011-11-14 Thread Takashi Iwai
At Mon, 14 Nov 2011 13:03:46 +0100, Daniel Mack wrote: > > On 11/14/2011 11:39 AM, Takashi Iwai wrote: > > [Added Chris to Cc] > > > > At Sun, 13 Nov 2011 17:24:09 +0100, > > Daniel Mack wrote: > >> > >> Hi Takashi, > >> > >> On 11/10/2011 04:39 PM, Takashi Iwai wrote: > >>> At Thu, 10 Nov 2011

Strange effect with i915 backlight controller

2011-11-14 Thread Daniel Mack
On 11/14/2011 11:39 AM, Takashi Iwai wrote: > [Added Chris to Cc] > > At Sun, 13 Nov 2011 17:24:09 +0100, > Daniel Mack wrote: >> >> Hi Takashi, >> >> On 11/10/2011 04:39 PM, Takashi Iwai wrote: >>> At Thu, 10 Nov 2011 16:11:29 +0100, >>> Daniel Mack wrote: On 11/08/2011 01:57 AM,

Strange effect with i915 backlight controller

2011-11-14 Thread Takashi Iwai
[Added Chris to Cc] At Sun, 13 Nov 2011 17:24:09 +0100, Daniel Mack wrote: > > Hi Takashi, > > On 11/10/2011 04:39 PM, Takashi Iwai wrote: > > At Thu, 10 Nov 2011 16:11:29 +0100, > > Daniel Mack wrote: > >> > >> On 11/08/2011 01:57 AM, Daniel Mack wrote: > >>> Didn't get any response yet, hence

Re: Strange effect with i915 backlight controller

2011-11-14 Thread Takashi Iwai
[Added Chris to Cc] At Sun, 13 Nov 2011 17:24:09 +0100, Daniel Mack wrote: Hi Takashi, On 11/10/2011 04:39 PM, Takashi Iwai wrote: At Thu, 10 Nov 2011 16:11:29 +0100, Daniel Mack wrote: On 11/08/2011 01:57 AM, Daniel Mack wrote: Didn't get any response yet, hence copying LKML for

Re: Strange effect with i915 backlight controller

2011-11-14 Thread Daniel Mack
On 11/14/2011 11:39 AM, Takashi Iwai wrote: [Added Chris to Cc] At Sun, 13 Nov 2011 17:24:09 +0100, Daniel Mack wrote: Hi Takashi, On 11/10/2011 04:39 PM, Takashi Iwai wrote: At Thu, 10 Nov 2011 16:11:29 +0100, Daniel Mack wrote: On 11/08/2011 01:57 AM, Daniel Mack wrote: Didn't get

Re: Strange effect with i915 backlight controller

2011-11-14 Thread Takashi Iwai
At Mon, 14 Nov 2011 13:03:46 +0100, Daniel Mack wrote: On 11/14/2011 11:39 AM, Takashi Iwai wrote: [Added Chris to Cc] At Sun, 13 Nov 2011 17:24:09 +0100, Daniel Mack wrote: Hi Takashi, On 11/10/2011 04:39 PM, Takashi Iwai wrote: At Thu, 10 Nov 2011 16:11:29 +0100, Daniel

Strange effect with i915 backlight controller

2011-11-13 Thread Daniel Mack
Hi Takashi, On 11/10/2011 04:39 PM, Takashi Iwai wrote: > At Thu, 10 Nov 2011 16:11:29 +0100, > Daniel Mack wrote: >> >> On 11/08/2011 01:57 AM, Daniel Mack wrote: >>> Didn't get any response yet, hence copying LKML for a broader audience. >> >> Nobody, really? >> >> This is a rather annoying

Re: Strange effect with i915 backlight controller

2011-11-13 Thread Daniel Mack
Hi Takashi, On 11/10/2011 04:39 PM, Takashi Iwai wrote: At Thu, 10 Nov 2011 16:11:29 +0100, Daniel Mack wrote: On 11/08/2011 01:57 AM, Daniel Mack wrote: Didn't get any response yet, hence copying LKML for a broader audience. Nobody, really? This is a rather annoying regression, as

Strange effect with i915 backlight controller

2011-11-10 Thread Takashi Iwai
At Thu, 10 Nov 2011 16:11:29 +0100, Daniel Mack wrote: > > On 11/08/2011 01:57 AM, Daniel Mack wrote: > > Didn't get any response yet, hence copying LKML for a broader audience. > > Nobody, really? > > This is a rather annoying regression, as touching the brightness keys > appearantly switches

Strange effect with i915 backlight controller

2011-11-10 Thread Daniel Mack
On 11/08/2011 01:57 AM, Daniel Mack wrote: > Didn't get any response yet, hence copying LKML for a broader audience. Nobody, really? This is a rather annoying regression, as touching the brightness keys appearantly switches off the whole machine. I'm sure this is trivial to fix, I just don't

Re: Strange effect with i915 backlight controller

2011-11-10 Thread Daniel Mack
On 11/08/2011 01:57 AM, Daniel Mack wrote: Didn't get any response yet, hence copying LKML for a broader audience. Nobody, really? This is a rather annoying regression, as touching the brightness keys appearantly switches off the whole machine. I'm sure this is trivial to fix, I just don't have

Re: Strange effect with i915 backlight controller

2011-11-10 Thread Takashi Iwai
At Thu, 10 Nov 2011 16:11:29 +0100, Daniel Mack wrote: On 11/08/2011 01:57 AM, Daniel Mack wrote: Didn't get any response yet, hence copying LKML for a broader audience. Nobody, really? This is a rather annoying regression, as touching the brightness keys appearantly switches off the

Strange effect with i915 backlight controller

2011-11-08 Thread Daniel Mack
Didn't get any response yet, hence copying LKML for a broader audience. On 11/04/2011 03:36 PM, Daniel Mack wrote: > I'm facing a bug on a Samsung X20 notebook which features an i915 > chipset (output of 'lspci -v' attached). > > The effect is that setting the backlight to odd values causes the

Re: Strange effect with i915 backlight controller

2011-11-07 Thread Daniel Mack
Didn't get any response yet, hence copying LKML for a broader audience. On 11/04/2011 03:36 PM, Daniel Mack wrote: I'm facing a bug on a Samsung X20 notebook which features an i915 chipset (output of 'lspci -v' attached). The effect is that setting the backlight to odd values causes the value

Strange effect with i915 backlight controller

2011-11-04 Thread Daniel Mack
Hi, I'm facing a bug on a Samsung X20 notebook which features an i915 chipset (output of 'lspci -v' attached). The effect is that setting the backlight to odd values causes the value to be misinterpreted. Harald Hoyer (cc:) had the same thing on a Netbook (I don't recall which model it was).

Strange effect with i915 backlight controller

2011-11-04 Thread Daniel Mack
Hi, I'm facing a bug on a Samsung X20 notebook which features an i915 chipset (output of 'lspci -v' attached). The effect is that setting the backlight to odd values causes the value to be misinterpreted. Harald Hoyer (cc:) had the same thing on a Netbook (I don't recall which model it