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From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 1/5] PWM: Add functions for getting/setting period/duty cycle
Date: Fri, 28 Feb 2014 15:24:51 +0100	[thread overview]
Message-ID: <1393597495-13896-1-git-send-email-s.hauer@pengutronix.de> (raw)

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/pwm/core.c | 20 ++++++++++++++++++++
 include/pwm.h      |  5 +++++
 2 files changed, 25 insertions(+)

diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index f2b062e..7f30724 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -198,6 +198,26 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
 }
 EXPORT_SYMBOL_GPL(pwm_config);
 
+void pwm_set_period(struct pwm_device *pwm, unsigned int period_ns)
+{
+	pwm->period_ns = period_ns;
+}
+
+unsigned int pwm_get_period(struct pwm_device *pwm)
+{
+	return pwm->period_ns;
+}
+
+void pwm_set_duty_cycle(struct pwm_device *pwm, unsigned int duty_ns)
+{
+	pwm->duty_ns = duty_ns;
+}
+
+unsigned int pwm_get_duty_cycle(struct pwm_device *pwm)
+{
+	return pwm->duty_ns;
+}
+
 /*
  * pwm_enable - start a PWM output toggling
  */
diff --git a/include/pwm.h b/include/pwm.h
index bdc2fdd..5ca9fa0 100644
--- a/include/pwm.h
+++ b/include/pwm.h
@@ -29,6 +29,11 @@ int pwm_enable(struct pwm_device *pwm);
  */
 void pwm_disable(struct pwm_device *pwm);
 
+void pwm_set_period(struct pwm_device *pwm, unsigned int period);
+unsigned int pwm_get_period(struct pwm_device *pwm);
+void pwm_set_duty_cycle(struct pwm_device *pwm, unsigned int duty);
+unsigned int pwm_get_duty_cycle(struct pwm_device *pwm);
+
 struct pwm_chip;
 
 /**
-- 
1.8.5.3


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             reply	other threads:[~2014-02-28 14:25 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-28 14:24 Sascha Hauer [this message]
2014-02-28 14:24 ` [PATCH 2/5] PWM: Implement devicetree support Sascha Hauer
2014-02-28 14:24 ` [PATCH 3/5] led: move led_of_parse_trigger to core Sascha Hauer
2014-02-28 14:24 ` [PATCH 4/5] led: Add pwm-led driver Sascha Hauer
2014-02-28 14:24 ` [PATCH 5/5] led: Add default-on trigger Sascha Hauer

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