diff options
| author | Lars Poeschel <poeschel@lemonage.de> | 2020-11-03 10:58:13 +0100 |
|---|---|---|
| committer | Miguel Ojeda <ojeda@kernel.org> | 2020-11-04 11:04:03 +0100 |
| commit | 88645a86e3420cddfe5bb9cd8d7c15aff8f54b46 (patch) | |
| tree | 685137731ca062ddbfa71413bd8db9d6c750e3a0 /drivers/auxdisplay/hd44780_common.c | |
| parent | d3a2fb810f273b7a2c393d4de28ae91a3f76985d (diff) | |
| download | lwn-88645a86e3420cddfe5bb9cd8d7c15aff8f54b46.tar.gz lwn-88645a86e3420cddfe5bb9cd8d7c15aff8f54b46.zip | |
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.c | 8 |
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; |