linux-kernel - Re: [PATCH] usb: cp210x: Added support for GPIO (CP2103/4/5)

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Date:	Sat, 28 Apr 2012 20:17:07 +0200
From:	Uwe Bonnes <bon@...ktron.ikp.physik.tu-darmstadt.de>
To:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org
Subject: Re: [PATCH] usb: cp210x: Added support for GPIO (CP2103/4/5)

>>>>> "Alan" == Alan Cox <alan@...rguk.ukuu.org.uk> writes:

...
    Alan> The other question is whether having some custom gpio poking
    Alan> interface is actually a good idea. I suspect probably not. The
    Alan> kernel gpio layer can help a bit but doesn't really solve the
    Alan> problem as there is no way to tie a gpio to a port. Given how many
    Alan> devices seem to have gpios these days I wonder if we need a gpio
    Alan> setting interface via termiox.

Is this really kernel stuff or better handled in libusb(x)?

Bye
-- 
Uwe Bonnes                bon@...ktron.ikp.physik.tu-darmstadt.de

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
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