serial: imx: only count 0->1 transitions for RNG

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According to tty_ioctl(4) (from man-pages 4.04) the rng member only
counts 0->1 transitions. For the other signals (DSR, CD, CTS) both edges
are supposed to be counted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Uwe Kleine-König 2016-03-24 14:24:23 +01:00 • committed by Greg Kroah-Hartman

parent 16804d68bf

commit 9ec8efe94b

1 changed files with 1 additions and 1 deletions

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drivers/tty/serial/imx.c

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