On Thu, 2007-02-22 at 14:34 -0200, Henrique de Moraes Holschuh wrote:
> On Thu, 22 Feb 2007, Richard Purdie wrote:
> > If you really care, add a a call to backlight_update_status() after you
> > set the brightness attribute like some of the other drivers have. The
>
> I will. Do you ACK the patch
On Thu, 22 Feb 2007, Richard Purdie wrote:
> If you really care, add a a call to backlight_update_status() after you
> set the brightness attribute like some of the other drivers have. The
I will. Do you ACK the patch, then?
> Have a look at what corgi_bl does. It can know what state it set the
> > Howerver, I *do* strongly wish for a way to combine various drivers into a
> > single backlight device, where radeon/intelfb takes care of some stuff,
> > ibm-acpi/asus-laptop/sony-laptop takes care of other stuff, etc. Also, a
> > standard naming for the builtin screen(s) would help, calling
On Thu, 2007-02-22 at 12:56 -0200, Henrique de Moraes Holschuh wrote:
> On Thu, 22 Feb 2007, Richard Purdie wrote:
> > > it to Len Brown for merging into 2.6.21, or NACK it if you'd rather do it
> > > in
> > > the backlight class core.
> >
> > We can't change the backlight class code since some h
> >Ug. Previously it did the selecting for you. If you selected
> > backlight support the fbdev backlight would just come to life. This caused
> > problems for the case of having ACPI backlight and a fbdev driver with
> > backlight support. Two drivers controling the same hardware is not th
On Thu, 22 Feb 2007, Richard Purdie wrote:
> > it to Len Brown for merging into 2.6.21, or NACK it if you'd rather do it in
> > the backlight class core.
>
> We can't change the backlight class code since some hardware can't read
> from the device, only write to it. Initialisation in that case is
On Thu, 22 Feb 2007, Richard Purdie wrote:
> On Thu, 2007-02-22 at 01:13 +, James Simmons wrote:
> > > Richard Purdie <[EMAIL PROTECTED]> writes:
> > >
> > > > If FB_RADEON_BACKLIGHT wasn't set for 2.6.20, can you try 2.6.21-rc1
> > > > with that option disabled?
> > >
> > > i don't have my l
On Wed, 2007-02-21 at 23:10 -0200, Henrique de Moraes Holschuh wrote:
> On Wed, 21 Feb 2007, Henrique de Moraes Holschuh wrote:
> > > * 'cat brightness' != 'cat actual_brightness' upon bootup (doesn't have
> >
> > Hmm, I see this in 2.6.20 too. And brightness is the one that is buggy. I
> > will
On Thu, 2007-02-22 at 01:13 +, James Simmons wrote:
> > Richard Purdie <[EMAIL PROTECTED]> writes:
> >
> > > If FB_RADEON_BACKLIGHT wasn't set for 2.6.20, can you try 2.6.21-rc1
> > > with that option disabled?
> >
> > i don't have my laptop with me but i am pretty sure
> > FB_RADEON_BACKLIGH
On Thu, 2007-02-22 at 01:07 +, James Simmons wrote:
> > # CONFIG_FB_RIVA_BACKLIGHT is not set
> > # CONFIG_FB_RADEON_BACKLIGHT is not set
> >
> > I suspect these options only work on certain hardware and aren't
> > generic. James, any idea what hardware these do/don't work with?
> >
> > Worst
Richard Purdie <[EMAIL PROTECTED]> writes:
> If FB_RADEON_BACKLIGHT wasn't set for 2.6.20, can you try 2.6.21-rc1
> with that option disabled?
i've disabled FB_RADEON_BACKLIGHT (FB_BACKLIGHT also got deselected)
and i managed to boot into 2.6.21-rc1 and have a working backlight.
--alex--
--
|
Richard Purdie writes:
> Can you have a look at the differences between the defconfigs for
> 2.6.20 and 2.6.21-rc1?
this is probably the relevant part:
--- config-2.6.20 2007-02-04 12:09:28.0 -0800
+++ config-2.6.21-rc1 2007-02-21 08:37:53.0 -0800
@@ -1270,16 +1302,25 @@
On Thu, 22 Feb 2007, Richard Purdie wrote:
> The following sequence is reproducible:
>
> echo 7 > brightness (repeat until actual_brightness reads 7)
> echo 0 > brightness (brightness reads 0, actual_brightness reads 4)
> echo 0 > brightness (brightness reads 0, actual_brightness reads 0)
As I sa
> Richard Purdie <[EMAIL PROTECTED]> writes:
>
> > If FB_RADEON_BACKLIGHT wasn't set for 2.6.20, can you try 2.6.21-rc1
> > with that option disabled?
>
> i don't have my laptop with me but i am pretty sure
> FB_RADEON_BACKLIGHT wasn't set for 2.6.20 (i think it showed up as a
> new option when
On Wed, 2007-02-21 at 22:51 -0200, Henrique de Moraes Holschuh wrote:
> On Thu, 22 Feb 2007, Richard Purdie wrote:
> > I have a thinkpad with Intel GM graphics ;-). I need it to work so I try
> > not to experiment too much on it. I've just tried the ibm-acpi driver
> > and it doesn't work well :-(.
> On Wed, 2007-02-21 at 00:56 -0500, Yaroslav Halchenko wrote:
> > I didn't mention 2.6.20-mm1 and got to see -mm2 so it is the one which
> > Iv'e tried, but, once again, I experienced the same issue with 19-mm?
> > kernels.
> >
> > I built 2.6.20-mm2 without backlight support
> > $> grep BACKLIG
On Wed, 21 Feb 2007, Henrique de Moraes Holschuh wrote:
> > * 'cat brightness' != 'cat actual_brightness' upon bootup (doesn't have
>
> Hmm, I see this in 2.6.20 too. And brightness is the one that is buggy. I
> will look into it.
Now, that was trivial to fix, and I will reply with a patch (whi
On Thu, 22 Feb 2007, Richard Purdie wrote:
> I have a thinkpad with Intel GM graphics ;-). I need it to work so I try
> not to experiment too much on it. I've just tried the ibm-acpi driver
> and it doesn't work well :-(.
2.6.21-rc, or 2.6.20? If it is in 2.6.21, could you give me a report of how
On Wed, 2007-02-21 at 00:56 -0500, Yaroslav Halchenko wrote:
> I didn't mention 2.6.20-mm1 and got to see -mm2 so it is the one which
> Iv'e tried, but, once again, I experienced the same issue with 19-mm?
> kernels.
>
> I built 2.6.20-mm2 without backlight support
> $> grep BACKLIGH /boot/config-
On Wed, 2007-02-21 at 21:17 -0200, Henrique de Moraes Holschuh wrote:
> On Wed, 21 Feb 2007, Richard Purdie wrote:
> > enabled. On a thinkpad, the backlight is probably under ACPI control.
>
> BIOS+ACPI, actually. Without ACPI video loaded, the firmware does
> everything correctly. With ACPI vid
Richard Purdie <[EMAIL PROTECTED]> writes:
> If FB_RADEON_BACKLIGHT wasn't set for 2.6.20, can you try 2.6.21-rc1
> with that option disabled?
i don't have my laptop with me but i am pretty sure
FB_RADEON_BACKLIGHT wasn't set for 2.6.20 (i think it showed up as a
new option when i did make oldcon
On Wed, 21 Feb 2007, Richard Purdie wrote:
> enabled. On a thinkpad, the backlight is probably under ACPI control.
BIOS+ACPI, actually. Without ACPI video loaded, the firmware does
everything correctly. With ACPI video, the firmware does it, then its
changes are clobbered over by ACPI video's.
On Wed, 2007-02-21 at 14:18 -0800, Alex Romosan wrote:
> Richard Purdie <[EMAIL PROTECTED]> writes:
> i have exactly the same problem with 2.6.21-rc1 on a thinkpad t40
> with an ati radeon card. the machine boots up but the backlight never
> comes on. 2.6.20 worked okay.
Can you have a look at the
Richard Purdie <[EMAIL PROTECTED]> writes:
> On Mon, 2007-02-19 at 00:04 -0800, Andrew Morton wrote:
>> On Sun, 18 Feb 2007 23:46:16 -0500 Yaroslav Halchenko <[EMAIL PROTECTED]>
>> wrote:
>> > Since the most recent successful for me kernel 2.6.19-rc6-mm1, I've
>> > tried few times to build more r
I am sorry on the delay
> > On Sun, 18 Feb 2007 23:46:16 -0500 Yaroslav Halchenko <[EMAIL PROTECTED]>
> > wrote:
> > > Since the most recent successful for me kernel 2.6.19-rc6-mm1, I've
> > > tried few times to build more recent snapshots and now finally
> > > 2.6.20-mm2. In all those cases I ha
On Mon, 2007-02-19 at 00:04 -0800, Andrew Morton wrote:
> On Sun, 18 Feb 2007 23:46:16 -0500 Yaroslav Halchenko <[EMAIL PROTECTED]>
> wrote:
> > Since the most recent successful for me kernel 2.6.19-rc6-mm1, I've
> > tried few times to build more recent snapshots and now finally
> > 2.6.20-mm2. In
On Sun, 18 Feb 2007 23:46:16 -0500 Yaroslav Halchenko <[EMAIL PROTECTED]> wrote:
> Dear Kernel Developers,
>
> Since the most recent successful for me kernel 2.6.19-rc6-mm1, I've
> tried few times to build more recent snapshots and now finally
> 2.6.20-mm2. In all those cases I have a sad outcome
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