Oron Peled dd944f3362 sysfs: new driver attribute: master_span ... * This changeset adds master_span as an attribute of the span's driver: /sys/bus/dahdi_spans/drivers/generic_lowlevel/master_span * This is mainly used for debugging. * Reading from it the master span number (or 0 if there is no master span). * Writing a number to it, force specified span to be master * Existing Alternatives: - grep "MASTER" from /proc/dahdi/* - cat /sys/bus/dahdi_spans/devices/span-*/is_sync_master (Note: commit d8fe2af23d is also Acked-By Tzafrir Cohen <tzafrir.cohen@xorcom.com>) Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com> Acked-by: Russ Meyerriecks <rmeyerriecks@digium.com>		2013-11-24 17:20:04 +02:00
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dahdi	sysfs: new driver attribute: master_span	2013-11-24 17:20:04 +02:00