Merge branch 'master' of git://git.denx.de/u-boot-usb

[oweals/u-boot.git] / drivers / video / pwm_backlight.c

diff --git a/drivers/video/pwm_backlight.c b/drivers/video/pwm_backlight.c
index a587977c225045599aafe6b5c0b782ae3495041d..742579aba71940bdcf991da560de801c27a15108 100644 (file)
--- a/drivers/video/pwm_backlight.c
+++ b/drivers/video/pwm_backlight.c
@@ -9,6 +9,7 @@
 #include <common.h>
 #include <dm.h>
 #include <backlight.h>
+#include <malloc.h>
 #include <pwm.h>
 #include <asm/gpio.h>
 #include <power/regulator.h>
@@ -67,6 +68,9 @@ static int set_pwm(struct pwm_backlight_priv *priv)
                return log_ret(ret);
 
        ret = pwm_set_invert(priv->pwm, priv->channel, priv->polarity);
+       if (ret == -ENOSYS && !priv->polarity)
+               ret = 0;
+
        return log_ret(ret);
 }