From: "Alain Hervo" <alain.hervo@prescom.fr>
To: linux-input@vger.kernel.org
Subject: C-Media CM119A GPIO not reachables with Cm109 driver
Date: Wed, 11 Apr 2012 09:44:53 +0200 [thread overview]
Message-ID: <E43D2A9C21DA4D7D97DBF878376FD3A0@AHXP> (raw)
Good morning.
I use the interesting Alfred E.Heggestad 's driver for driving C-Media
cm109 usb audio component.
http://linux.derkeiler.com/Mailing-Lists/Kernel/2008-02/msg03332.html
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 ?
Thank you.
Best regards.
Alain.
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reply other threads:[~2012-04-11 7:44 UTC|newest]
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