Re: [PATCH 1/2] pwm: atmel-tcb: add missing clk source config
From: Nicolas Ferre
Date: Thu Sep 19 2013 - 03:24:28 EST
On 18/09/2013 17:06, Boris BREZILLON :
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@xxxxxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
---
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)
--
Nicolas Ferre
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