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authorVadim Tsozik <vtsozik@optimum.net>2011-01-09 01:00:11 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2011-02-04 11:42:51 -0800
commit7af75af2424c3a866041e7981d91f01f93235533 (patch)
treeccca09fa2bdc570947762f0d5ad44a681ab6aa27 /drivers/usb/gadget
parent0fe6f1d1f612035d78d8d195bbc3485a341386d5 (diff)
downloadtalos-obmc-linux-7af75af2424c3a866041e7981d91f01f93235533.tar.gz
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USB: serial: mct_u232: added _ioctl, _msr_to_icount and _get_icount functions
Added mct_u232_ioctl (implements TIOCMIWAIT command), mct_u232_get_icount (implements TIOCGICOUNT command) and mct_u232_msr_to_icount functions. MCT U232 P9 is one of a few usb to serail adapters which converts USB +/-5v voltage levels to COM +/-15 voltages. So it can also power COM interfaced devices. This makes it very usable for legacy COM interfaced data-acquisition hardware. I tested new implementation with AWARE Electronics RM-60 radiation meter, which sends pulse via RNG COM line whenever new particle is registered. Signed-off-by: Vadim Tsozik <tsozik@yahoo.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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