video: fbdev: imxfb: fix semantic of .get_power and .set_power

.set_power gets passed an FB_BLANK_XXX value, not a bool. So 0 signals
on; and >1 means off. The same applies for return values of .get_power.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c
index 76b6a7784b06..6d402c1a0f2b 100644
--- a/drivers/video/fbdev/imxfb.c
+++ b/drivers/video/fbdev/imxfb.c
@@ -758,10 +758,11 @@ static int imxfb_lcd_get_power(struct lcd_device *lcddev)
 {
         struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev);
 
-        if (!IS_ERR(fbi->lcd_pwr))
-                return regulator_is_enabled(fbi->lcd_pwr);
+        if (!IS_ERR(fbi->lcd_pwr) &&
+            !regulator_is_enabled(fbi->lcd_pwr))
+                return FB_BLANK_POWERDOWN;
 
-        return 1;
+        return FB_BLANK_UNBLANK;
 }
 
 static int imxfb_lcd_set_power(struct lcd_device *lcddev, int power)
@@ -769,7 +770,7 @@ static int imxfb_lcd_set_power(struct lcd_device *lcddev, int power)
         struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev);
 
         if (!IS_ERR(fbi->lcd_pwr)) {
-                if (power)
+                if (power == FB_BLANK_UNBLANK)
                         return regulator_enable(fbi->lcd_pwr);
                 else
                         return regulator_disable(fbi->lcd_pwr);