From 7ad78d01e501a8347cdebb43566e54078307c935 Mon Sep 17 00:00:00 2001
From: Brendan Le Foll <brendan.le.foll@intel.com>
Date: Tue, 2 Dec 2014 10:37:44 +0000
Subject: [PATCH] pwm.c: Fix error in mraa_pwm_read_period

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
---
 src/pwm/pwm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pwm/pwm.c b/src/pwm/pwm.c
index 3a51370..248d9b9 100644
--- a/src/pwm/pwm.c
+++ b/src/pwm/pwm.c
@@ -104,7 +104,7 @@ mraa_pwm_read_period(mraa_pwm_context dev)
     ssize_t rb = read(period_f, output, size + 1);
     close(period_f);
 
-    if (rb > 0) {
+    if (rb < 0) {
         syslog(LOG_ERR, "pwm: Error in reading period");
         return -1;
     }