[QT Extended Improved] patch: 0001-using-uevent-to-get-kernel-notifications-for-usb-cable-changed.txt

Filip Onkelinx filip at linux4.be
Thu Apr 2 09:31:03 CEST 2009


battery starts charging as well, cableChanged is also being used for  
changing powermanagment scheme.


On Thu, 02 Apr 2009 09:22:33 +0200, Franky Van Liedekerke  
<liedekef at telenet.be> wrote:

> On Wed, Apr 1, 2009 at 8:48 AM, Filip Onkelinx <filip at linux4.be> wrote:
>> Hi,
>> attached is a patch to use uevent to get kernel notifications for
>> 'usb-cable-changed' in QtExtended on recent kernels (>=2.6.28).
>> On 'older' kernels (<2.6.28), this information was comming in trough
>> /dev/input/event4 but this is no longer working (there is a ticket for  
>> this
>> at https://docs.openmoko.org/trac/ticket/2254 ).
>> With this patch my FR switches correctly from battery power savings  
>> scheme
>> to online pwoer scheme, and usb networking goes up/down as expected.
>> Same mechanism could be used to re-implement an event based neobattery.
> Filip,
> does this mean the 2.6.28 based system detects usb cable changed, just  
> for
> networking? Or does the battery start charging as well?
> Franky

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