[wdmaudiodev] Re: Touble with Vista Treble & Bass control
- From: Ernest_Burghardt@xxxxxxxxxxxx
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Tue, 17 Jul 2007 16:58:53 -0700
I gathered some further info regarding this issue; our device is
enumerating to use Re-trigger Control (RTC), but looking at the USB trace
logs it seems that the system is sending Linear Control (LC) data instead.
Pardon my frankness, but does Vista fully support HID Usage Tables 1.12
Bass & Treble in RTC so that a HID device may control these enhanced audio
features?
If this is fully supported, may I please have a pointer to the
specification and any relevant examples? I have been searching for these
items, but have not found them...
Thanks,
Ernest L. Burghardt
Software Engineer
Logitech
360-256-3239 (office)
DJ Sisolak To
<dsisolak@exchang "wdmaudiodev@xxxxxxxxxxxxx"
e.microsoft.com> <wdmaudiodev@xxxxxxxxxxxxx>
cc
Sent by:
wdmaudiodev-bounc Subject
e@xxxxxxxxxxxxx [wdmaudiodev] Re: Touble with Vista
Treble & Bass control
07/17/2007 10:19
AM
Please respond to
wdmaudiodev@freel
ists.org
Hi Ernest,
If you can adjust the controls from the control panel then the device's
audio interfaces have enumerated correctly. To get the Treble and Bass
controls sent from the device you need to implement the associated HID
controls. Also, for HID controls to work, the device must be selected as
the preferred audio device in the system.
Do you have a HID interface implemented? Is your device the preferred
device?
Cheers,
DJ Sisolak
Microsoft Corp.
-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of
Ernest_Burghardt@xxxxxxxxxxxx
Sent: Tuesday, July 17, 2007 9:22 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Touble with Vista Treble & Bass control
We have a speaker system that is using the in-box usbaudio driver where the
satelites have Treble & Bass controls.
The satelite responds correctly if the tone is changed from the Vista
control panel, but not from the satelite.
The thought is that our FW is not enumerating the device correctly to
Vista; does that seem reasonable or is there some other possibility?
Also, does anyone know if there is a specific portion of the enumeration
that lets Vista know a device wishes to control Treble & Bass?
Thanks in advance,
Ernie
Ernest L. Burghardt
Software Engineer
Logitech
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