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authorLars Poeschel <poeschel@lemonage.de>2020-11-03 10:58:13 +0100
committerMiguel Ojeda <ojeda@kernel.org>2020-11-04 11:04:03 +0100
commit88645a86e3420cddfe5bb9cd8d7c15aff8f54b46 (patch)
tree685137731ca062ddbfa71413bd8db9d6c750e3a0 /drivers/auxdisplay/hd44780_common.c
parentd3a2fb810f273b7a2c393d4de28ae91a3f76985d (diff)
auxdisplay: add home to charlcd_ops
This adds a home function to the charlcd_ops struct and offer an implementation for hd44780_common. This implementation is used by our two hd44780 drivers. This is to make charlcd device independent. 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/hd44780_common.c')
-rw-r--r--drivers/auxdisplay/hd44780_common.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/auxdisplay/hd44780_common.c b/drivers/auxdisplay/hd44780_common.c
index f86eb2f27cee..ea62beada9d8 100644
--- a/drivers/auxdisplay/hd44780_common.c
+++ b/drivers/auxdisplay/hd44780_common.c
@@ -41,6 +41,14 @@ int hd44780_common_gotoxy(struct charlcd *lcd)
}
EXPORT_SYMBOL_GPL(hd44780_common_gotoxy);
+int hd44780_common_home(struct charlcd *lcd)
+{
+ lcd->addr.x = 0;
+ lcd->addr.y = 0;
+ return hd44780_common_gotoxy(lcd);
+}
+EXPORT_SYMBOL_GPL(hd44780_common_home);
+
struct hd44780_common *hd44780_common_alloc(void)
{
struct hd44780_common *hd;