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ARM:imx:fix pwm period value
authorJason Chen <jason.chen@linaro.org>
Mon, 19 Dec 2011 03:23:28 +0000 (11:23 +0800)
committerMaxim Uvarov <maxim.uvarov@oracle.com>
Tue, 10 Jan 2012 21:00:32 +0000 (13:00 -0800)
commit5d110575cc9418106f71cbe39398ae941b2b8009
treecefe19175e1e17b0cc09245b5dd61c49524f2188tree
parent555a8aa3135fcafdee050eae217529bc2caccc2bcommit | diff
ARM:imx:fix pwm period value

commit 5776ac2eb33164c77cdb4d2b48feee15616eaba3 upstream.

According to imx pwm RM, the real period value should be
PERIOD value in PWMPR plus 2.

PWMO (Hz) = PCLK(Hz) / (period +2)

Signed-off-by: Jason Chen <jason.chen@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
arch/arm/plat-mxc/pwm.c diff | blob | history
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