C-Media CM119A GPIO not reachables with Cm109 driver
gregkh at linuxfoundation.org
Tue Apr 10 07:38:06 PDT 2012
On Tue, Apr 10, 2012 at 10:43:37AM +0200, Alain Hervo wrote:
> Good morning.
> I use the interesting Alfred E.Heggestad 's driver for C-Media
> cm109 usb audio component.
> This driver is useful for accessing GPIO event.
> Now C-Media CM109 component is replaced by CM119A.
> CM119A 's documentation don't provide difference between CM119A and
> CM109 components, except the binterval time : 2ms for CM119A , 32ms
> for CM109. .
> But, when cm109_usb_probe() is processed,
> usb_endpoint_is_int_in(endpoint) fails with CM119A component. :
> component seems not have accessible interrupt endpoint.
> Please, do you know this problem ?
Why not ask the author of this code, and on the linux-input mailing
list? The people there should be able to help you out better than we
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