[wdmaudiodev] Re: Usb Audio Driver
- From: Doktor Schnipp <docschnipp@xxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Wed, 16 Jul 2003 20:44:19 +0200 (CEST)
--- DJ Sisolak <dsisolak@xxxxxxxxxxxxxxxxxxxxxx>
schrieb: > Hello Jerry,
>
> Responses to:
>
> 1) Not sure what you are after. Being that the
> driver is KS based, it is
> impossible to get away from the KS style when
> addressing the driver
> directly. There is the mixer API to address any
> audio device, though I
> can see where that might fall short for addressing
> all possible
> properties.
This is perfectly okay, even if the whole interface is
hell of bureaucratic stuff.
>
> 2) I will make measurements on the driver and stack
> once the new driver
> is complete.
his would be nice, but since for example the USBMIDI
standard does not support timestamping there is still
a need for a "own" protocol. also I may want to
trigger other things (okay, these things could be
handled as HID devices).
>
> 3) The USB Audio specification allows for a
> "SET_MEM" and "GET_MEM"
> request to the device. Would this suffice if the
> driver would pass this
> type of request through?
In this case I think it's easier to give the device a
different device id that just starts a "loader driver"
and afterwards the device resets (as it is in the
cypress parts). Cypress has also a demo of this in its
sdk..
thanks for listening
doc schnipp
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