diff options
author | Lars Poeschel <poeschel@lemonage.de> | 2020-11-03 10:58:08 +0100 |
---|---|---|
committer | Miguel Ojeda <ojeda@kernel.org> | 2020-11-04 11:04:03 +0100 |
commit | 71ff701bbefec9e3c342f3a01d2d89b7ae026c71 (patch) | |
tree | ad1868fc8513ced579338f8450cf320fedf8d1a1 /drivers/auxdisplay/panel.c | |
parent | 3fc04dd7eb77b54228a17753ec01128417433e46 (diff) | |
download | linux-71ff701bbefec9e3c342f3a01d2d89b7ae026c71.tar.bz2 |
auxdisplay: Move write_data pointer to hd44780_common
This moves the write_data function pointer from struct charlcd_ops to
struct hd44780_common. This is the function that actually writes the
character to the display. This hd44780 hardware specific function is
used by two drivers at the moment.
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/panel.c')
-rw-r--r-- | drivers/auxdisplay/panel.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/auxdisplay/panel.c b/drivers/auxdisplay/panel.c index cec6b729d668..15100d21a6e9 100644 --- a/drivers/auxdisplay/panel.c +++ b/drivers/auxdisplay/panel.c @@ -734,7 +734,7 @@ static void lcd_write_cmd_s(struct charlcd *charlcd, int cmd) } /* send data to the LCD panel in serial mode */ -static void lcd_write_data_s(struct charlcd *charlcd, int data) +static void lcd_write_data_s(struct hd44780_common *hdc, int data) { spin_lock_irq(&pprt_lock); lcd_send_serial(0x5F); /* R/W=W, RS=1 */ @@ -767,7 +767,7 @@ static void lcd_write_cmd_p8(struct charlcd *charlcd, int cmd) } /* send data to the LCD panel in 8 bits parallel mode */ -static void lcd_write_data_p8(struct charlcd *charlcd, int data) +static void lcd_write_data_p8(struct hd44780_common *hdc, int data) { spin_lock_irq(&pprt_lock); /* present the data to the data port */ @@ -799,7 +799,7 @@ static void lcd_write_cmd_tilcd(struct charlcd *charlcd, int cmd) } /* send data to the TI LCD panel */ -static void lcd_write_data_tilcd(struct charlcd *charlcd, int data) +static void lcd_write_data_tilcd(struct hd44780_common *hdc, int data) { spin_lock_irq(&pprt_lock); /* present the data to the data port */ @@ -874,21 +874,18 @@ static void lcd_clear_fast_tilcd(struct charlcd *charlcd) static const struct charlcd_ops charlcd_serial_ops = { .write_cmd = lcd_write_cmd_s, - .write_data = lcd_write_data_s, .clear_fast = lcd_clear_fast_s, .backlight = lcd_backlight, }; static const struct charlcd_ops charlcd_parallel_ops = { .write_cmd = lcd_write_cmd_p8, - .write_data = lcd_write_data_p8, .clear_fast = lcd_clear_fast_p8, .backlight = lcd_backlight, }; static const struct charlcd_ops charlcd_tilcd_ops = { .write_cmd = lcd_write_cmd_tilcd, - .write_data = lcd_write_data_tilcd, .clear_fast = lcd_clear_fast_tilcd, .backlight = lcd_backlight, }; @@ -1019,6 +1016,7 @@ static void lcd_init(void) if (lcd.proto == LCD_PROTO_SERIAL) { /* SERIAL */ charlcd->ops = &charlcd_serial_ops; + hdc->write_data = lcd_write_data_s; if (lcd.pins.cl == PIN_NOT_SET) lcd.pins.cl = DEFAULT_LCD_PIN_SCL; @@ -1027,6 +1025,7 @@ static void lcd_init(void) } else if (lcd.proto == LCD_PROTO_PARALLEL) { /* PARALLEL */ charlcd->ops = &charlcd_parallel_ops; + hdc->write_data = lcd_write_data_p8; if (lcd.pins.e == PIN_NOT_SET) lcd.pins.e = DEFAULT_LCD_PIN_E; @@ -1036,6 +1035,7 @@ static void lcd_init(void) lcd.pins.rw = DEFAULT_LCD_PIN_RW; } else { charlcd->ops = &charlcd_tilcd_ops; + hdc->write_data = lcd_write_data_tilcd; } if (lcd.pins.bl == PIN_NOT_SET) |