From: 张晴 <zhangqing@rock-chips.com>
Date: Wed, 26 Mar 2014 08:13:04 +0000 (+0800)
Subject: rk3288:pwm_regulator:slove pwm io set low when power on
X-Git-Tag: firefly_0821_release~5812
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=239595a8f51705c7684299e8db02a686d2f3741d;p=firefly-linux-kernel-4.4.55.git

rk3288:pwm_regulator:slove pwm io set low when power on
---

diff --git a/drivers/regulator/rockchip-pwm-regulator.c b/drivers/regulator/rockchip-pwm-regulator.c
index 3e5d1acf2a4f..f88ec03f4e57 100755
--- a/drivers/regulator/rockchip-pwm-regulator.c
+++ b/drivers/regulator/rockchip-pwm-regulator.c
@@ -55,9 +55,9 @@ static int pwm_set_rate(struct pwm_platform_data *pdata,u32 rate)
 	duty_cycle = (rate * (pdata->period ) / 100) ;
 
 	pwm_config(pdata->pwm, duty_cycle, pdata->period);
-	
-	usleep_range(10*1000, 10*1000);
 
+	pwm_enable(pdata->pwm);
+	
 	return (0);
 }
 
@@ -332,7 +332,6 @@ static int __init pwm_regulator_probe(struct platform_device *pdev)
 			goto err;
 		}
 	}
-	pwm_enable(pdata->pwm);
 	if (pdata->pwm_period_ns > 0)
 		pwm_set_period(pdata->pwm, pdata->pwm_period_ns);