Re: Wifi switch not working, linux on IdeaPad S205

[Ike Panhc <ike.pan@canonical.com>]

Hi Joey,

I put it at http://people.canonical.com/~ikepanhc/DSDTs/acpidump-ideapad-s10-3t.dat

Thanks a lot.


On 05/31/2011 02:28 PM, Joey Lee wrote:
> Hi Ike, 
> 
> Does there have any acpidump attached on any bug, then I can download
> it?
> Need my help to look at maybe acer-wmi can support this machine?
> 
> 
> Thank's a lot!
> Joey Lee
> 
> 於 二，2011-05-31 於 14:02 +0800，Ike Panhc 提到：
>> Hi Florian,
>>
>> Sorry its being awhile. Thanks for your reply, the notify looks fine but after
>> reading the DSDT I find no hint how to fix it. :(
>>
>> It looks like we need acer_wmi to unseal the wifi switch. I am thinking of
>> two solutions. The first one is to have a module parameter to avoid reading
>> switch status. The second one is to find out how to unseal the switch function
>> with wmi (maybe a worse idea).
>>
>> First thing I need to ask is there any side effect to load acer-wmi on your
>> ideapad?
>>
>>
>>
>> On 04/28/2011 04:42 PM, Florian Heyer wrote:
>>> On 18.04.2011 03:35, Ike Panhc wrote:
>>>> In the mean time. Some test is suggested.
>>>>
>>> [...]
>>>>  * Insert a printk in notify function like this
>>>>
>>>> --- a/drivers/platform/x86/ideapad-laptop.c
>>>> +++ b/drivers/platform/x86/ideapad-laptop.c
>>>> @@ -449,6 +449,7 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
>>>>         acpi_handle handle = adevice->handle;
>>>>         unsigned long vpc1, vpc2, vpc_bit;
>>>>  
>>>> +       pr_info("notified. event: 0x%X.\n", event);
>>>>         if (read_ec_data(handle, 0x10, &vpc1))
>>>>                 return;
>>>>         if (read_ec_data(handle, 0x1A, &vpc2))
>>>>
>>>>    and see if we have the acpi event on switch event.
>>>
>>> Hello Ike,
>>>
>>> i'm back at this problem.
>>> I have loaded module ideapad_laptop with modification as above.
>>>
>>> On triggering the hardware wifi button on->off->on i get the following
>>> messages:
>>>
>>> [  730.712030] usb 3-5: USB disconnect, device number 4
>>> [  730.713156] btusb_bulk_complete: hci0 urb ffff8801178d7b40 failed to
>>> resubmit (19)
>>> [  730.713183] btusb_intr_complete: hci0 urb ffff880115e6c780 failed to
>>> resubmit (19)
>>> [  730.713983] btusb_bulk_complete: hci0 urb ffff8801178d7000 failed to
>>> resubmit (19)
>>> [  730.714236] btusb_send_frame: hci0 urb ffff880114055600 submission failed
>>> [  730.715438] notified. event: 0x80.
>>> [  731.710317] hci_cmd_timer: hci0 command tx timeout
>>> [  732.008870] notified. event: 0x80.
>>> [  732.650384] usb 3-5: new full speed USB device number 5 using ohci_hcd
>>>
>>>
>>> Other function buttons (e.g. screen brightness adjustment) also produce
>>> messages as above "notified. event: 0x80."
>>>
>>>
>>> Regards
>>
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> 
>