Dave Martin 29064b8846 ARM: bL_switcher/trace: Add kernel trace trigger interface
This patch exports a bL_switcher_trace_trigger() function to
provide a means for drivers using the trace events to get the
current status when starting a trace session.

Calling this function is equivalent to pinging the trace_trigger
file in sysfs.

Signed-off-by: Dave Martin <dave.martin@linaro.org>
2013-09-23 18:47:31 -04:00
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