auxdisplay: Make use of enum for backlight on / off

To turn the backlight on or off use our new enum CHARLCD_ON /
CHARLCD_OFF.

Reviewed-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

diff --git a/drivers/auxdisplay/charlcd.c b/drivers/auxdisplay/charlcd.c
index 1544195131864d9c44b63cede9bf8f5049f971d0..9631f70e812854b1053c05408ae161c364a364ee 100644 (file)
--- a/drivers/auxdisplay/charlcd.c
+++ b/drivers/auxdisplay/charlcd.c
@@ -115,7 +115,7 @@ static void charlcd_bl_off(struct work_struct *work)
        if (priv->bl_tempo) {
                priv->bl_tempo = false;
                if (!(priv->flags & LCD_FLAG_L))
-                       priv->lcd.ops->backlight(&priv->lcd, 0);
+                       priv->lcd.ops->backlight(&priv->lcd, CHARLCD_OFF);
        }
        mutex_unlock(&priv->bl_tempo_lock);
 }
@@ -132,7 +132,7 @@ void charlcd_poke(struct charlcd *lcd)
 
        mutex_lock(&priv->bl_tempo_lock);
        if (!priv->bl_tempo && !(priv->flags & LCD_FLAG_L))
-               lcd->ops->backlight(lcd, 1);
+               lcd->ops->backlight(lcd, CHARLCD_ON);
        priv->bl_tempo = true;
        schedule_delayed_work(&priv->bl_work, LCD_BL_TEMPO_PERIOD * HZ);
        mutex_unlock(&priv->bl_tempo_lock);
@@ -829,7 +829,7 @@ int charlcd_unregister(struct charlcd *lcd)
        the_charlcd = NULL;
        if (lcd->ops->backlight) {
                cancel_delayed_work_sync(&priv->bl_work);
-               priv->lcd.ops->backlight(&priv->lcd, 0);
+               priv->lcd.ops->backlight(&priv->lcd, CHARLCD_OFF);
        }
 
        return 0;