Jarod Wilson wrote: > On 11/26/2009 08:34 PM, Jon Smirl wrote: >> Raw mode. There are three sysfs attributes - ir_raw, ir_carrier, >> ir_xmitter. Read from ir_raw to get the raw timing data from the IR >> device. Set carrier and active xmitters and then copy raw data to >> ir_raw to send. These attributes may be better on a debug switch. You >> would use raw mode when decoding a new protocol. After you figure out >> the new protocol, write an in-kernel encoder/decoder for it. > > Also neglected to recall there was raw IR data access too. However, a > few things... One, this is, in some sense, cheating, as its not an input > layer interface being used. :) Granted though, it *is* an existing > kernel interface being used, instead of adding a new one. Two, there's > no userspace to do anything with it at this time. No; it is a new interface, just using an existing mechanism (sysfs). Not all of sysfs in itself is an interface really; rather there is a number of interfaces which are implemented by means of sysfs. sysfs is primarily meant for simple textual attributes though, not for I/O streams. -- Stefan Richter -=====-==--= =-== ==-== http://arcgraph.de/sr/ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
