From 21e0ff7c02c73ac4a855c0e6b261cd3a7632f6d8 Mon Sep 17 00:00:00 2001
From: Alex Tereschenko <alext.mkrs@gmail.com>
Date: Tue, 14 Mar 2017 19:20:43 +0100
Subject: [PATCH] pwm.c: properly close duty file when disabling PWM

Fixes #669.

Signed-off-by: Alex Tereschenko <alext.mkrs@gmail.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
---
 src/pwm/pwm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/pwm/pwm.c b/src/pwm/pwm.c
index a49a2e9..85bf66d 100644
--- a/src/pwm/pwm.c
+++ b/src/pwm/pwm.c
@@ -493,6 +493,9 @@ mraa_pwm_close(mraa_pwm_context dev)
     }
 
     mraa_pwm_unexport(dev);
+    if (dev->duty_fp != -1) {
+        close(dev->duty_fp);
+    }
     free(dev);
     return MRAA_SUCCESS;
 }