Re: [Bluez-devel] bluetooth power management

[Marcel Holtmann <marcel@holtmann.org>]

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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