[PATCH 2/4] video/backlight-pwm: fix the value of 'brightness_max'.

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The field pwm_backlight->backlight.brightness_max should be the maximum
allowed brightness value for the backlight, not the max index of the
array 'pwm_backlight->levels[]'.
---
 drivers/video/backlight-pwm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/backlight-pwm.c b/drivers/video/backlight-pwm.c
index 3024ec6..53cf4e9 100644
--- a/drivers/video/backlight-pwm.c
+++ b/drivers/video/backlight-pwm.c
@@ -160,7 +160,7 @@ static int pwm_backlight_parse_dt(struct device_d *dev,
 			return ret;
 
 		pwm_backlight->backlight.brightness_default = value;
-		pwm_backlight->backlight.brightness_max--;
+		pwm_backlight->backlight.brightness_max = pwm_backlight->scale;
 	}
 
 	pwm_backlight->enable_gpio = of_get_named_gpio_flags(node, "enable-gpios", 0, &flags);
-- 
2.9.1


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