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From: poeschel@lemonage.de
To: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com>,
	linux-kernel@vger.kernel.org (open list)
Cc: Lars Poeschel <poeschel@lemonage.de>, Willy Tarreau <w@1wt.eu>
Subject: [PATCH v6 12/25] auxdisplay: make charlcd_backlight visible to hd44780_common
Date: Tue,  3 Nov 2020 10:58:15 +0100	[thread overview]
Message-ID: <20201103095828.515831-13-poeschel@lemonage.de> (raw)
In-Reply-To: <20201103095828.515831-1-poeschel@lemonage.de>

From: Lars Poeschel <poeschel@lemonage.de>

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>
---
 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 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);
 
-- 
2.28.0


  parent reply	other threads:[~2020-11-03  9:59 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-03  9:58 [PATCH v6 00/25] Make charlcd device independent poeschel
2020-11-03  9:58 ` [PATCH v6 01/25] auxdisplay: Use an enum for charlcd backlight on/off ops poeschel
2020-11-03  9:58 ` [PATCH v6 02/25] auxdisplay: Introduce hd44780_common.[ch] poeschel
2020-11-03  9:58 ` [PATCH v6 03/25] auxdisplay: Move hwidth and bwidth to struct hd44780_common poeschel
2020-11-03  9:58 ` [PATCH v6 04/25] auxdisplay: Move ifwidth " poeschel
2020-11-03  9:58 ` [PATCH v6 05/25] auxdisplay: Move write_data pointer to hd44780_common poeschel
2020-11-03  9:58 ` [PATCH v6 06/25] auxdisplay: Move write_cmd pointers to hd44780 drivers poeschel
2020-11-03  9:58 ` [PATCH v6 07/25] auxdisplay: Move addr out of charlcd_priv poeschel
2020-11-03  9:58 ` [PATCH v6 08/25] auxdisplay: hd44780_common_print poeschel
2020-11-03  9:58 ` [PATCH v6 09/25] auxdisplay: provide hd44780_common_gotoxy poeschel
2020-11-03  9:58 ` [PATCH v6 10/25] auxdisplay: add home to charlcd_ops poeschel
2020-11-03  9:58 ` [PATCH v6 11/25] auxdisplay: Move clear_display to hd44780_common poeschel
2020-11-03  9:58 ` poeschel [this message]
2020-11-03  9:58 ` [PATCH v6 13/25] auxdisplay: Make use of enum for backlight on / off poeschel
2020-11-03  9:58 ` [PATCH v6 14/25] auxdisplay: Move init_display to hd44780_common poeschel
2020-11-03  9:58 ` [PATCH v6 15/25] auxdisplay: implement various hd44780_common_ functions poeschel
2020-11-03  9:58 ` [PATCH v6 16/25] auxdisplay: cleanup unnecessary hd44780 code in charlcd poeschel
2020-11-03  9:58 ` [PATCH v6 17/25] auxdisplay: Move char redefine code to hd44780_common poeschel
2020-11-03  9:58 ` [PATCH v6 18/25] auxdisplay: Call charlcd_backlight in place poeschel
2020-11-03  9:58 ` [PATCH v6 19/25] auxdisplay: hd44780_common: Reduce clear_display timeout poeschel
2020-11-03  9:58 ` [PATCH v6 20/25] auxdisplay: hd44780: Remove clear_fast poeschel
2020-11-03  9:58 ` [PATCH v6 21/25] auxdisplay: charlcd: replace last device specific stuff poeschel
2020-11-03  9:58 ` [PATCH v6 22/25] auxdisplay: Change gotoxy calling interface poeschel
2020-11-03  9:58 ` [PATCH v6 23/25] auxdisplay: charlcd: Do not print chars at end of line poeschel
2020-11-03  9:58 ` [PATCH v6 24/25] auxdisplay: lcd2s DT binding doc poeschel
2020-11-03  9:58 ` [PATCH v6 25/25] auxdisplay: add a driver for lcd2s character display poeschel
2020-11-04 13:30 ` [PATCH v6 00/25] Make charlcd device independent Miguel Ojeda
2020-11-06 10:11   ` Lars Poeschel
2020-11-06 12:17     ` Miguel Ojeda
2020-11-06 16:35       ` Randy Dunlap
2020-11-09  9:31         ` [PATCH] auxdisplay: hd44780_common: Fix build error poeschel
2020-11-09  9:45           ` Miguel Ojeda
2020-11-09 17:30           ` Randy Dunlap
2020-11-09  9:53         ` [PATCH v6 00/25] Make charlcd device independent Miguel Ojeda

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