From 315c25883cecbbf6014fc1718597093b5d4723d3 Mon Sep 17 00:00:00 2001
From: linshire <1127384500@qq.com>
Date: Sun, 30 Oct 2022 14:14:05 +0800
Subject: [PATCH] [bsp] fix the return of the function(drv_pwm_control) in
 stm32 drv_pwm

---
 bsp/stm32/libraries/HAL_Drivers/drv_pwm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
index abcffa7288..ec9bf701ed 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
@@ -396,7 +396,7 @@ static rt_err_t drv_pwm_control(struct rt_device_pwm *device, int cmd, void *arg
     case PWM_CMD_GET:
         return drv_pwm_get(htim, configuration);
     default:
-        return RT_EINVAL;
+        return -RT_EINVAL;
     }
 }