greybus: loopback: functionally decompose gb_loopback_calc_latency

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The __gb_loopback_calc_latency will be useful in later patches. Provide it
here and use as intended. Later on we just want to use the timestamp
rollover detection, so split it out now.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

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Bryan O'Donoghue 2015-08-17 00:55:06 +01:00 • committed by Greg Kroah-Hartman

parent bd416103b2

commit 7c985351d4

1 changed files with 10 additions and 4 deletions

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drivers/staging/greybus/loopback.c

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