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auxdisplay: Make use of enum for backlight on / off

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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>
This commit is contained in:
Lars Poeschel 2020-11-03 10:58:16 +01:00 committed by Miguel Ojeda
parent 2bf82b5a80
commit bd26b181d1
1 changed files with 3 additions and 3 deletions
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6
drivers/auxdisplay/charlcd.c
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@ -115,7 +115,7 @@ static void charlcd_bl_off(struct work_struct *work)
if (priv->bl_tempo) { if (priv->bl_tempo) {
priv->bl_tempo = false; priv->bl_tempo = false;
if (!(priv->flags & LCD_FLAG_L)) 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); mutex_unlock(&priv->bl_tempo_lock);
} }
@ -132,7 +132,7 @@ void charlcd_poke(struct charlcd *lcd)
mutex_lock(&priv->bl_tempo_lock); mutex_lock(&priv->bl_tempo_lock);
if (!priv->bl_tempo && !(priv->flags & LCD_FLAG_L)) if (!priv->bl_tempo && !(priv->flags & LCD_FLAG_L))
lcd->ops->backlight(lcd, 1); lcd->ops->backlight(lcd, CHARLCD_ON);
priv->bl_tempo = true; priv->bl_tempo = true;
schedule_delayed_work(&priv->bl_work, LCD_BL_TEMPO_PERIOD * HZ); schedule_delayed_work(&priv->bl_work, LCD_BL_TEMPO_PERIOD * HZ);
mutex_unlock(&priv->bl_tempo_lock); mutex_unlock(&priv->bl_tempo_lock);
@ -829,7 +829,7 @@ int charlcd_unregister(struct charlcd *lcd)
the_charlcd = NULL; the_charlcd = NULL;
if (lcd->ops->backlight) { if (lcd->ops->backlight) {
cancel_delayed_work_sync(&priv->bl_work); cancel_delayed_work_sync(&priv->bl_work);
priv->lcd.ops->backlight(&priv->lcd, 0); priv->lcd.ops->backlight(&priv->lcd, CHARLCD_OFF);
} }
return 0; return 0;