On Tue, Oct 28, 2008 at 10:12:20PM +0900, ISHIKAWA Mutsumi wrote:
> >>>>> In <20081028014708.GA2649@xxxxxxxxxxxxxxxxxxxxxxxx>
> >>>>> Norbert Preining <preining@xxxxxxxx> wrote:
> >> Hi Mattia,
> >>
> >> (taking the MMC guy out, this is not about the SD card reader anymore)
> >>
> >> On Di, 28 Okt 2008, Mattia Dongili wrote:
> >> > Yes, I am. But I have no idea what might be wrong. Did you also try
> >> > xbacklight while in X and using the Intel card?
> >>
> >> I am a step further on. Thanks to Ishikawa-san I have an sony-laptop.c
> >> file which allows setting the backlight using the
> >> /sys/devices/backlight/{sony,acpi_video0}/backlight files
> >> (interestingly, they do not agree on their behaviour, xbacklight can
> >> change in 12.5% jumps, that makes 9 different values, but allowed are
> >> only 8 (from 0 to 7). In sony the 0% is missing, in acpi_video0 the 100%
> >> is missing -- i.e., sony/brightness 0 is brighter than
> >> acpi_video0/brightness 0, and so on).
>
> There are two points of roblems to enable backlight control on VGN-Z
>
> 1)
>
> VGN-Z have SNC, but it is not enabled.
> - prevoius patch posted.
> - add VGN-Z entry to sony_nc_ids table
>
> 2)
>
> In sony_pic_detect_device_type() function, VGN-Z's SPIC is
> detected as SONYPI_DEVICE_TYPE2 (per default).
>
> But it does not work for me.
>
> I've checkd throug TYPE1 to TYPE4. Only Type3 and Type4 does
> work (but it is possible to control backlight only, other
> function does not work...)
>
> I do not have datasheet for this model, but I think SPIC on
> this model is not TYPE2. It is same or variant of Type3 or
> Type4 SPIC.
I have adopted a different approach (merge type3 and type4) but I have
included your other changes to my local tree. Hopefully I'll be able to
send a patchset for acpi-test later today.
thanks
--
mattia
:wq!
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