From ed2fe613a52f2393b2693c9525c3e22aca649e97 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sun, 28 Nov 2010 12:56:03 +0000
Subject: [PATCH] git-svn-id:
 svn://svn.code.sf.net/p/chibios/svn/branches/stable_2.0.x@2448
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/platforms/STM32/pwm_lld.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/os/hal/platforms/STM32/pwm_lld.c b/os/hal/platforms/STM32/pwm_lld.c
index 266f47135..5e55163ed 100644
--- a/os/hal/platforms/STM32/pwm_lld.c
+++ b/os/hal/platforms/STM32/pwm_lld.c
@@ -446,7 +446,7 @@ void pwm_lld_enable_channel(PWMDriver *pwmp,
 void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel) {
 
   *(&pwmp->pd_tim->CCR1 + (channel * 2)) = 0;
-  pwmp->pd_tim->DIER = ~(2 << channel);
+  pwmp->pd_tim->DIER &= ~(2 << channel);
   pwmp->pd_enabled_channels &= ~(1 << channel);
 }