Messages in this thread Patch in this message | | | From | Boris BREZILLON <> | Subject | [PATCH 1/2] pwm: atmel-tcb: add missing clk source config | Date | Wed, 18 Sep 2013 17:06:05 +0200 |
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Clock source changes are never applied to the CMR register. This may lead to wrong period/duty cycle configuration.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com> --- drivers/pwm/pwm-atmel-tcb.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c index ba6ce01..0266969 100644 --- a/drivers/pwm/pwm-atmel-tcb.c +++ b/drivers/pwm/pwm-atmel-tcb.c @@ -249,6 +249,8 @@ static int atmel_tcb_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) } } + cmr |= (tcbpwm->div & ATMEL_TC_TCCLKS); + __raw_writel(cmr, regs + ATMEL_TC_REG(group, CMR)); if (index == 0) -- 1.7.9.5
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