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.brezil...@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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