summaryrefslogtreecommitdiff
path: root/drivers/auxdisplay
diff options
context:
space:
mode:
authorLars Poeschel <poeschel@lemonage.de>2020-11-03 12:58:15 +0300
committerMiguel Ojeda <ojeda@kernel.org>2020-11-04 13:04:03 +0300
commit2bf82b5a80d9c4ca3e64d273771d5629d46eb1d0 (patch)
tree0af891e169bd12af2c09131e5c6d26b77ac883ab /drivers/auxdisplay
parent45421ffefbb5f195de02ead952755329ef8576d8 (diff)
downloadlinux-2bf82b5a80d9c4ca3e64d273771d5629d46eb1d0.tar.xz
auxdisplay: make charlcd_backlight visible to hd44780_common
hd44780_common wants to use the charlcd_backlight function, so make it visible. Reviewed-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Lars Poeschel <poeschel@lemonage.de> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Diffstat (limited to 'drivers/auxdisplay')
-rw-r--r--drivers/auxdisplay/charlcd.c3
-rw-r--r--drivers/auxdisplay/charlcd.h1
2 files changed, 3 insertions, 1 deletions
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 a6c32c4d1aac..a3210305cae7 100644
--- a/drivers/auxdisplay/charlcd.h
+++ b/drivers/auxdisplay/charlcd.h
@@ -56,6 +56,7 @@ 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);