summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorBoris BREZILLON <b.brezillon@overkiz.com>2013-09-18 17:06:05 +0200
committerThierry Reding <thierry.reding@gmail.com>2013-09-19 14:04:24 +0200
commitf3a82170aef72bf57f03e5c154fc94fad54968b1 (patch)
tree9332e726d8af31cd149c526104cfd0e390cc5274
parent272b98c6455f00884f0350f775c5342358ebb73f (diff)
downloadop-kernel-dev-f3a82170aef72bf57f03e5c154fc94fad54968b1.zip
op-kernel-dev-f3a82170aef72bf57f03e5c154fc94fad54968b1.tar.gz
pwm: atmel-tcb: add missing clk source config
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> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
-rw-r--r--drivers/pwm/pwm-atmel-tcb.c2
1 files changed, 2 insertions, 0 deletions
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)
OpenPOWER on IntegriCloud