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Subject[PATCH v2 12/32] auxdisplay: make charlcd_backlight visible to hd44780_common
Date
From: Lars Poeschel <poeschel@lemonage.de>

hd44780_common wants to use the charlcd_backlight function, so make it
visible.

Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
---
drivers/auxdisplay/charlcd.c | 3 ++-
drivers/auxdisplay/charlcd.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/auxdisplay/charlcd.c b/drivers/auxdisplay/charlcd.c
index fc0daf4987d5..154419513186 100644
--- a/drivers/auxdisplay/charlcd.c
+++ b/drivers/auxdisplay/charlcd.c
@@ -91,7 +91,7 @@ static void long_sleep(int ms)
}

/* turn the backlight on or off */
-static void charlcd_backlight(struct charlcd *lcd, enum charlcd_onoff on)
+void charlcd_backlight(struct charlcd *lcd, enum charlcd_onoff on)
{
struct charlcd_priv *priv = charlcd_to_priv(lcd);

@@ -103,6 +103,7 @@ static void charlcd_backlight(struct charlcd *lcd, enum charlcd_onoff on)
lcd->ops->backlight(lcd, on);
mutex_unlock(&priv->bl_tempo_lock);
}
+EXPORT_SYMBOL_GPL(charlcd_backlight);

static void charlcd_bl_off(struct work_struct *work)
{
diff --git a/drivers/auxdisplay/charlcd.h b/drivers/auxdisplay/charlcd.h
index 0b3dafbbae72..e5b22e72fdc8 100644
--- a/drivers/auxdisplay/charlcd.h
+++ b/drivers/auxdisplay/charlcd.h
@@ -55,6 +55,7 @@ struct charlcd_ops {
int (*clear_display)(struct charlcd *lcd);
};

+void charlcd_backlight(struct charlcd *lcd, enum charlcd_onoff on);
struct charlcd *charlcd_alloc(void);
void charlcd_free(struct charlcd *lcd);

--
2.28.0
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