diff options
Diffstat (limited to 'drivers/auxdisplay/hd44780.c')
| -rw-r--r-- | drivers/auxdisplay/hd44780.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/auxdisplay/hd44780.c b/drivers/auxdisplay/hd44780.c index f6786239c36f..922f0e0d2e6d 100644 --- a/drivers/auxdisplay/hd44780.c +++ b/drivers/auxdisplay/hd44780.c @@ -115,9 +115,8 @@ static void hd44780_write_cmd_gpio8(struct charlcd *lcd, int cmd) } /* Send data to the LCD panel in 8 bit GPIO mode */ -static void hd44780_write_data_gpio8(struct charlcd *lcd, int data) +static void hd44780_write_data_gpio8(struct hd44780_common *hdc, int data) { - struct hd44780_common *hdc = lcd->drvdata; struct hd44780 *hd = hdc->hd44780; hd44780_write_gpio8(hd, data, 1); @@ -128,7 +127,6 @@ static void hd44780_write_data_gpio8(struct charlcd *lcd, int data) static const struct charlcd_ops hd44780_ops_gpio8 = { .write_cmd = hd44780_write_cmd_gpio8, - .write_data = hd44780_write_data_gpio8, .backlight = hd44780_backlight, }; @@ -163,9 +161,8 @@ static void hd44780_write_cmd_raw_gpio4(struct charlcd *lcd, int cmd) } /* Send data to the LCD panel in 4 bit GPIO mode */ -static void hd44780_write_data_gpio4(struct charlcd *lcd, int data) +static void hd44780_write_data_gpio4(struct hd44780_common *hdc, int data) { - struct hd44780_common *hdc = lcd->drvdata; struct hd44780 *hd = hdc->hd44780; hd44780_write_gpio4(hd, data, 1); @@ -177,7 +174,6 @@ static void hd44780_write_data_gpio4(struct charlcd *lcd, int data) static const struct charlcd_ops hd44780_ops_gpio4 = { .write_cmd = hd44780_write_cmd_gpio4, .write_cmd_raw4 = hd44780_write_cmd_raw_gpio4, - .write_data = hd44780_write_data_gpio4, .backlight = hd44780_backlight, }; @@ -276,7 +272,13 @@ static int hd44780_probe(struct platform_device *pdev) device_property_read_u32(dev, "internal-buffer-width", &hdc->bwidth); hdc->ifwidth = ifwidth; - lcd->ops = ifwidth == 8 ? &hd44780_ops_gpio8 : &hd44780_ops_gpio4; + if (ifwidth == 8) { + lcd->ops = &hd44780_ops_gpio8; + hdc->write_data = hd44780_write_data_gpio8; + } else { + lcd->ops = &hd44780_ops_gpio4; + hdc->write_data = hd44780_write_data_gpio4; + } ret = charlcd_register(lcd); if (ret) |