[Bluez-devel] power consumption

[david <gangchen@mobilesoft.com.cn>]

Hi marcel,

The host send HCILL_GO_TO_SLEEP_IND commdand which is HCI
Vendor-Specific Command to let bluetooth device(BRF6100) go to sleep
through hcitool cmd. The bluetooth device will send
HCILL_GO_TO_SLEEP_ACK to the host before it goes to sleep. The question
is that where should I listen the response of bluetooth device.


Regards,

david

 >Hi David,
 
 > > Does anybody use BRF6100 chip on the phone? I have read "BRF6100
 > > singel-chip bluetooth RF device" date sheet to get the method of doing
 > > power management. It tells me that I can use the HCI command to take the
 > > BRF6100 from wake up to deep sleep.  It seems that the date sheet
 > > doesn't tell me how to turn off/on the BRF6100(Is this called
 > > power-down/on mode?). I wonder to know what do ioctl(ctl, HCIDEVUP,
 > > hdev)) and ioctl(ctl, HCIDEVDOWN, hdev) do in bluez hcitool.c? Can it
 > > turn BRF6100 on or off? If yes, is the menu "bluetooth on/off" in
 > > mobilephone means that the power of BRF6100 is turned on/off?
 
 > the BRF6100 is a ROM chip, right? We need a special init routine for it
 > and the last code I've seen was a mess, because it was Windows code.
 > This needs a rewrite and I am only doing this if someone sends me a
 > development kit with that I can test it. The other possibility is that
 > someone cleans the code and sends me a patch for it.
 
 > If you need special support, then tell TI to open their documents and
 > sponsor the BlueZ project with hardware. Or choose a chip manufacturer
 > that is more open source friendly. For example CSR.
 
 > Regards
 
 > Marcel
 


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