Messages in this thread | | | Date | Thu, 24 Jul 2008 14:39:07 +0100 | From | Jonathan Cameron <> | Subject | Re: [spi-devel-general] [Patch 0/4] IndustrialIO subsystem (ADCs, accelerometers etc) |
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Dmitry Torokhov wrote: > On Thu, Jul 24, 2008 at 01:45:31PM +0100, Jonathan Cameron wrote: >>>> At the moment the big missing element of the subsystem is an easy way of >>>> querying what is there. (proc interface similar to that for the input >>>> subsystem) >>> You mean /sys/class/input/, right? Indeed, something inspired by the >>> input subsystem should work well. >> No, I meant /proc/bus/input/devices which gives machine readable description >> of all devices registered with the input subsystem and their capabilities. >> > > /proc/bus/input is a legacy interface (pre-sysfs). Newer subsystems > should try to stay in /sys/. Ah, I'd assumed it was there to provide a centralized way of discovering what was there. I guess it's just a matter of scanning your way through the contents of /sys/class/input (and equivalent iio) then to find out what is present and what is supported by each device.
Messier in a sense but guess it will work.
Ah well,
Jonathan
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