David Brownell schrieb:
> On Friday 20 April 2007 12:53 am, Oliver Neukum wrote:
>> Am Freitag, 20. April 2007 09:46 schrieb Sven Anders:
>>> Oliver Neukum schrieb:
>>>> Am Mittwoch, 18. April 2007 13:22 schrieb Jeroen Janssen:
>>>>> Hello,
>>>>>
>>>>> I noticed several recent USB SUSPEND related patches on this
>>>>> mailinglist and I was
>>>>> wondering if someone could tell me what the current state of USB SUSPEND
>>>>> is.
>>>> It basically works, but is supported in few drivers.
>>> Is there a list of the supported drivers?
>> As of 2.6.21-rc7: hub, usblp, kaweth, skeleton
>
> Mr. Grep reports more:
>
> input/{appletouch,hid-core}.c
> misc/usbtest.c
> net/{asix,cdc_ether,cdc_subset,dm9601,gl620a,mcs7830,net1080,
> pegasus,plusb,rndis_host,rtl8150,zaurus}.c
> storage/usb.c
>
> The HID stuff even handles remote wakeup...
>
> ISTR the usb audio driver needs suspend()/resume() methods too.
Basically does it mean, if the USB driver has the suspend()/resume() methods
implemented, the autosuspend feature is supported?
I'm interested in adding support for 'autosuspend' to the appletouch driver.
It has the suspend()/resume() methods. The driver is using a USB interrupt
method and will get constantly data from the touchpad hardware.
How does the autosuspend framework know, that it can suspend it, if it is
constantly sending it's data?
The driver could detect, if there is no finger on the pad and can release
the driver for suspending, is this implemented or does it generally work
some other way?
Regards
Sven
--
Sven Anders <[EMAIL PROTECTED]> () Ascii Ribbon Campaign
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