On 05/21/2015 10:39 AM, Bastien Nocera wrote:
On Thu, 2015-05-21 at 10:09 +0200, Krzysztof Opasiak wrote:
Could you specify exactly the model?
Onda v975w
If android is running fine on it you may check android kernel config
for
this device and check which udc is enabled.
No kernel sources from this Chinese vendor. But it looks like the
USB_DWC3 config is the one to enable.
I see that this tablet is running windows by default so just flash it
with stock image and check what device manager says about udc;)
In the meantime, shouldn't the ffs-test and adbd have failed with
ENOTSUPP instead of EBUSY if no hardware support was available?
As far as I understand the code it should fail with -ENODEV and debug
message:
pr_debug("couldn't find an available UDC\n");
Have you tried loading other gadget modules? If not, maybe try to load
g_ether and check what dmesg says.
--
Krzysztof Opasiak
Samsung R&D Institute Poland
Samsung Electronics
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