From: Axel Lin <axel.lin@ingics.com>
Date: Sun, 31 Mar 2013 15:07:30 +0000 (+0800)
Subject: pwm: twl: Return proper error if twl6030_pwm_enable() fails
X-Git-Tag: firefly_0821_release~3680^2~561^2~9
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c8e4df3109646762f21c6e288187ec395fdf67be;p=firefly-linux-kernel-4.4.55.git

pwm: twl: Return proper error if twl6030_pwm_enable() fails

Return proper error instead of 0 if twl6030_pwm_enable() fails.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
---

diff --git a/drivers/pwm/pwm-twl.c b/drivers/pwm/pwm-twl.c
index ee7fa5ddba5d..2782001ba183 100644
--- a/drivers/pwm/pwm-twl.c
+++ b/drivers/pwm/pwm-twl.c
@@ -248,7 +248,7 @@ static int twl6030_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 	twl->twl6030_toggle3 = val;
 out:
 	mutex_unlock(&twl->mutex);
-	return 0;
+	return ret;
 }
 
 static void twl6030_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)