On 09/10/14 11:50, Bastien Nocera wrote:
On Wed, 2014-09-10 at 10:46 +0200, Arend van Spriel wrote:
On 09/10/14 01:10, Marcel Holtmann wrote:
Hi Bastien,
What specific Baytrail tablet do you have?
The Onda v975w. It came with Windows 8.1 32-bit.
I guess that the device is probably a PCI one, but the enumeration is
done through ACPI instead of "normal" PCI.
In
http://www.onda-tablet.com/onda-v975w-quad-core-win-8-tablet-9-7-inch-retina-screen-ram-2gb-wifi-32gb.html,
someone is specifically looking for an RTL8723BS driver.
That's helpful.
I will see if my contact at Realtek knows who has worked on drivers for this
device, and if it would be possible to use rtl8723be if we were to supply an
SDIO frontend.
I'm not sure why the device doesn't show up in the sysfs tree, but maybe it
needs a driver bound to it to show up.
I just booted up my Baytrail based Minnowboard Max in ACPI enumeration and then
the SDIO host controller is enumerated via ACPI. This is compared to PCI
enumeration where the SDIO controller shows up in lspci.
So can you try to install sdhci-acpi and see if that starts showing SDIO
devices. If the SDIO host controllers loads, then it start SDIO enumeration and
you would see the cards.
You may need to look in /sys/bus/mmc/devices/ instead of sdio.
Indeed. That did the trick.
mmc0:0001 is the builtin storage, mmc1:0001:1 however is an unbound
device with vendor 0x024c and device 0xb723 (modalias:
sdio:c07v024CdB723). More interestingly class is 0x07, which udev
interprets as "WLAN interface".
Now you have to find and load the right driver.
Gr. AvS
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