diff options
| -rw-r--r-- | drivers/auxdisplay/charlcd.c | 2 | ||||
| -rw-r--r-- | drivers/auxdisplay/charlcd.h | 7 | ||||
| -rw-r--r-- | drivers/auxdisplay/hd44780.c | 2 | ||||
| -rw-r--r-- | drivers/auxdisplay/panel.c | 2 |
4 files changed, 9 insertions, 4 deletions
diff --git a/drivers/auxdisplay/charlcd.c b/drivers/auxdisplay/charlcd.c index 5aee0f546351..8aaee0fea9ab 100644 --- a/drivers/auxdisplay/charlcd.c +++ b/drivers/auxdisplay/charlcd.c @@ -101,7 +101,7 @@ static void long_sleep(int ms) } /* turn the backlight on or off */ -static void charlcd_backlight(struct charlcd *lcd, int on) +static void charlcd_backlight(struct charlcd *lcd, enum charlcd_onoff on) { struct charlcd_priv *priv = charlcd_to_priv(lcd); diff --git a/drivers/auxdisplay/charlcd.h b/drivers/auxdisplay/charlcd.h index 00911ad0f3de..c66f038e5d2b 100644 --- a/drivers/auxdisplay/charlcd.h +++ b/drivers/auxdisplay/charlcd.h @@ -9,6 +9,11 @@ #ifndef _CHARLCD_H #define _CHARLCD_H +enum charlcd_onoff { + CHARLCD_OFF = 0, + CHARLCD_ON, +}; + struct charlcd { const struct charlcd_ops *ops; const unsigned char *char_conv; /* Optional */ @@ -30,7 +35,7 @@ struct charlcd_ops { /* Optional */ void (*write_cmd_raw4)(struct charlcd *lcd, int cmd); /* 4-bit only */ void (*clear_fast)(struct charlcd *lcd); - void (*backlight)(struct charlcd *lcd, int on); + void (*backlight)(struct charlcd *lcd, enum charlcd_onoff on); }; struct charlcd *charlcd_alloc(unsigned int drvdata_size); diff --git a/drivers/auxdisplay/hd44780.c b/drivers/auxdisplay/hd44780.c index bcbe13092327..5982158557bb 100644 --- a/drivers/auxdisplay/hd44780.c +++ b/drivers/auxdisplay/hd44780.c @@ -37,7 +37,7 @@ struct hd44780 { struct gpio_desc *pins[PIN_NUM]; }; -static void hd44780_backlight(struct charlcd *lcd, int on) +static void hd44780_backlight(struct charlcd *lcd, enum charlcd_onoff on) { struct hd44780 *hd = lcd->drvdata; diff --git a/drivers/auxdisplay/panel.c b/drivers/auxdisplay/panel.c index 1c82d824ae00..de623ae219f1 100644 --- a/drivers/auxdisplay/panel.c +++ b/drivers/auxdisplay/panel.c @@ -708,7 +708,7 @@ static void lcd_send_serial(int byte) } /* turn the backlight on or off */ -static void lcd_backlight(struct charlcd *charlcd, int on) +static void lcd_backlight(struct charlcd *charlcd, enum charlcd_onoff on) { if (lcd.pins.bl == PIN_NONE) return; |