Sorry i miss the example code for this,
This is example code in my AOSP linux kernel to enable this feature for a
usb keyboard.
that uses USB HID driver.
*if* (interface
<http://test.zien.vn:8082/source/s?defs=interface&project=MX50_N>->desc
<http://test.zien.vn:8082/source/s?defs=desc&project=MX50_N>.bInterfaceSubClass
<http://test.zien.vn:8082/source/s?defs=bInterfaceSubClass&project=MX50_N>
== USB_INTERFACE_SUBCLASS_BOOT
<http://test.zien.vn:8082/source/s?defs=USB_INTERFACE_SUBCLASS_BOOT&project=MX50_N>
&&
interface
<http://test.zien.vn:8082/source/s?defs=interface&project=MX50_N>->desc
<http://test.zien.vn:8082/source/s?defs=desc&project=MX50_N>.bInterfaceProtocol
<http://test.zien.vn:8082/source/s?defs=bInterfaceProtocol&project=MX50_N>
==
USB_INTERFACE_PROTOCOL_KEYBOARD
<http://test.zien.vn:8082/source/s?defs=USB_INTERFACE_PROTOCOL_KEYBOARD&project=MX50_N>)
{
usbhid_set_leds
<http://test.zien.vn:8082/source/xref/MX50_N/kernel/cht/drivers/hid/usbhid/hid-core.c#usbhid_set_leds>(hid
<http://test.zien.vn:8082/source/s?defs=hid&project=MX50_N>);
device_set_wakeup_enable
<http://test.zien.vn:8082/source/s?defs=device_set_wakeup_enable&project=MX50_N>(&dev
<http://test.zien.vn:8082/source/s?defs=dev&project=MX50_N>->dev
<http://test.zien.vn:8082/source/s?defs=dev&project=MX50_N>, 1);
}
Regards,
Vu Tran
Vào Th 3, 16 thg 7, 2019 vào lúc 23:19 Tranphong Vu <
tranphongvu070...@gmail.com> đã viết:
> Hi Mohammad Saleh Dehghanpour,
>
> base on your description, i think you need to enable wake up feature in
> your usb wireless keyboard.
> 1. Base on my hardware experience, your usb hardware should support this.
> But we should confirm this
> Cat proc/interrupt to get the irq number of your usb wireless device.
> Let device enter suspend state
> do some thing with your wireless hardware
> wake up device. check the number of irq happens for your wirelese device.
> If they are different it means your hardware support this go to step 2. if
> not your hardware does not,
> you can enable this feature.
>
> 2. You need to get the driver of your wireless hardware device(usb hid,
> specific driver ...). dig in this . usb driver would have a Flag to
> indicate that irq for this device would wake up device.
> Only need to set this flag, then done.
>
> Regards,
> Vu Tran
>
> Vào Th 3, 16 thg 7, 2019 vào lúc 23:08 Mohammad Saleh Dehghanpour <
> salehde...@gmail.com> đã viết:
>
>> Hello
>>
>>
>> I have an AOSP tree compiled on my board. I bought a wireless keyboard
>> and connected it to my board via usb port. I expect when the board is in
>> the suspend state, it will wakeup by pressing a key on keyboard. But it is
>> not so.
>>
>>
>> Anyone has an idea about how to handle remote wakeup for usb in android
>> stack?
>>
>>
>> I tried several ways in my bootloader (uboot), kernel, etc. But no
>> effect. Additionally I made an experiment and found out that in the sleep
>> state, my usb port (which has a dongle in it) has just 1-5 mA. But it
>> should be higher for the dongle to work!
>>
>>
>> Thanks
>>
>> --
>> --
>> unsubscribe: android-porting+unsubscr...@googlegroups.com
>> website: http://groups.google.com/group/android-porting
>>
>> ---
>> You received this message because you are subscribed to the Google Groups
>> "android-porting" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to android-porting+unsubscr...@googlegroups.com.
>> To view this discussion on the web visit
>> https://groups.google.com/d/msgid/android-porting/c0d82a42-d03b-4048-b044-025a64bc19db%40googlegroups.com
>> <https://groups.google.com/d/msgid/android-porting/c0d82a42-d03b-4048-b044-025a64bc19db%40googlegroups.com?utm_medium=email&utm_source=footer>
>> .
>> For more options, visit https://groups.google.com/d/optout.
>>
>
--
--
unsubscribe: android-porting+unsubscr...@googlegroups.com
website: http://groups.google.com/group/android-porting
---
You received this message because you are subscribed to the Google Groups
"android-porting" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to android-porting+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/android-porting/CADfFnWikQ31ehpdCgfL3Mp9QO2B5PFKjF6TbD7pT7X8Em-BtHg%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.
