FreeBSD on Asus UX31A

Adrian Chadd adrian at freebsd.org
Mon Nov 17 16:21:43 UTC 2014


Which card reader is it?

The acpi_video / i915kms loading order is kinda amusing. Would you
mind filing a PR with it?

I've seen it on mine too but I didn't really think twice about it
until .. well until now.

Let's see if we can figure out what's going on there!

Thanks,



-adrian


On 17 November 2014 04:53, Lutz Bichler <lutz.bichler at gmail.com> wrote:
> Hi,
>
> after reading the summaries of Asus UX31E and UX32VD i did some testing of
> FreeBSD on an Asus UX31A:
>
> Hardware
> --------------
> Intel Ivybridge CPU + graphics
> Centrino(R) Advanced-N 6235 WiFi
> USB 2.0 + 3.0
> Realtek Cardreader (Product-Id 0x139)
>
> Software
> -------------
> - FreeBSD-CURRENT (svn274583)
>   - acpi_asus_wmi & acpi_asus loaded
> - xorg-7.7
> - xorg-server-1.16.1
> - Mesa 10.3.2
> - xf86-video-intel-2.99.916
>
> Results
> ----------
> - F1:                   Suspend function key works
> - F2:                   WiFi function key does not work
> - F3/F4:                Keyboard brightness control works
> - F5/F6:                Display brightness control does not work
> - F7:                   Display on/off works
> - F8:                   not tested
> - F9:                   not tested
> - F10:          Volume on/off does not work
> - F11/F12:      Volume control works
>
> - Suspending works
> - Resuming:
>   - i915 only
>     - no display after resume
>   - acpi_video loaded before i915kms:
>     - no display after resume
>   - acpi_video loaded after i915kms
>     - display coming back, but display brightness after
>       resume is lower although hw.acpi.video.lcd0.brightness
>       reports the same value
>     - Display brightness control partly works
>       - sysctl hw.acpi.video.lcd0.brightness=X works
>       - function key changes the brightness, but only allows
>         to switch between brightness levels 1 and 2.
>       - changing the brightness level from 100 to  30 reduces
>         the power consumpion from 11.5mW to 8.8mW.
>   - with i915.7 patch (http://kib.kiev.ua/kib/drm/i915.7.patch)
>       - display coming back (with and without acpi_video)
>       - Display brightness control does not work (neither with nor without
>         acpi_video)
>
> - WiFi (Intel 6235): works
> - CardReader (Realtek Product Id 0x139): does not work
>
> Open questions
> -----------------------
> - How to automatically load acpi_video after i915kms?
> - How to enable presetting the display brightness?
> - How to enable a smooth function key based brightness setting?
> - Is there any hope for the card reader?
>         - There have been several mailing list threads in the past but it seems
>           they all ended up without conclusion.
>
> Regards, Lutz
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