diff options
| author | Lars Poeschel <poeschel@lemonage.de> | 2020-11-03 12:58:15 +0300 |
|---|---|---|
| committer | Miguel Ojeda <ojeda@kernel.org> | 2020-11-04 13:04:03 +0300 |
| commit | 2bf82b5a80d9c4ca3e64d273771d5629d46eb1d0 (patch) | |
| tree | 0af891e169bd12af2c09131e5c6d26b77ac883ab /drivers/auxdisplay | |
| parent | 45421ffefbb5f195de02ead952755329ef8576d8 (diff) | |
| download | linux-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.c | 3 | ||||
| -rw-r--r-- | drivers/auxdisplay/charlcd.h | 1 |
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); |