diff options
| author | Lars Poeschel <poeschel@lemonage.de> | 2020-11-03 12:58:12 +0300 |
|---|---|---|
| committer | Miguel Ojeda <ojeda@kernel.org> | 2020-11-04 13:04:03 +0300 |
| commit | d3a2fb810f273b7a2c393d4de28ae91a3f76985d (patch) | |
| tree | 4d115a26af764f1a08b3a949771d2d1cb451d3bb /drivers/auxdisplay/charlcd.h | |
| parent | b26deabb1d915fe87d395081bbd3058b938dee89 (diff) | |
| download | linux-d3a2fb810f273b7a2c393d4de28ae91a3f76985d.tar.xz | |
auxdisplay: provide hd44780_common_gotoxy
Provide a hd44780_common_gotoxy function and a pointer in the ops for
charlcd to use to move the cursor.
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/charlcd.h')
| -rw-r--r-- | drivers/auxdisplay/charlcd.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/auxdisplay/charlcd.h b/drivers/auxdisplay/charlcd.h index 94922e3c1c4c..f36cc80ce385 100644 --- a/drivers/auxdisplay/charlcd.h +++ b/drivers/auxdisplay/charlcd.h @@ -37,14 +37,16 @@ struct charlcd { * Optional. * @backlight: Turn backlight on or off. Optional. * @print: Print one character to the display at current cursor position. - * The cursor is advanced by charlcd. * The buffered cursor position is advanced by charlcd. The cursor should not * wrap to the next line at the end of a line. + * @gotoxy: Set cursor to x, y. The x and y values to set the cursor to are + * previously set in addr.x and addr.y by charlcd. */ struct charlcd_ops { void (*clear_fast)(struct charlcd *lcd); void (*backlight)(struct charlcd *lcd, enum charlcd_onoff on); int (*print)(struct charlcd *lcd, int c); + int (*gotoxy)(struct charlcd *lcd); }; struct charlcd *charlcd_alloc(void); |