Re: [PATCH 0/2] FTDI CBUS GPIO support

[Stefan Agner <stefan@xxxxxxxx>]

On 2015-06-21 01:49, Peter Stuge wrote:
> Stefan Agner wrote:
>> libftdi requires to detach the kernel driver to get access to the device
> 
> Control transfers ought to be possible without a detach.

Good to know, thanks for this input. The detach is probably a default
behavior of libftdi... Will have a look at that.

Having kernel level gpiolib would still have advantages: It would make
the matching of the GPIO's and tty device easier, since with this patch
the gpiolib device is a sub-node of the usb-serial device in sysfs and
the user would have to use kernel interfaces only (no libftdi)...

--
Stefan
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