diff options
Diffstat (limited to 'drivers/video/backlight/l4f00242t03.c')
| -rw-r--r-- | drivers/video/backlight/l4f00242t03.c | 45 |
1 files changed, 18 insertions, 27 deletions
diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c index 8554b4aa980c..46f97d1c3d21 100644 --- a/drivers/video/backlight/l4f00242t03.c +++ b/drivers/video/backlight/l4f00242t03.c @@ -14,13 +14,11 @@ #include <linux/kernel.h> #include <linux/delay.h> #include <linux/module.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/lcd.h> #include <linux/slab.h> #include <linux/regulator/consumer.h> - #include <linux/spi/spi.h> -#include <linux/spi/l4f00242t03.h> struct l4f00242t03_priv { struct spi_device *spi; @@ -28,16 +26,18 @@ struct l4f00242t03_priv { int lcd_state; struct regulator *io_reg; struct regulator *core_reg; + struct gpio_desc *reset; + struct gpio_desc *enable; }; -static void l4f00242t03_reset(unsigned int gpio) +static void l4f00242t03_reset(struct gpio_desc *gpiod) { pr_debug("l4f00242t03_reset.\n"); - gpio_set_value(gpio, 1); + gpiod_set_value(gpiod, 1); mdelay(100); - gpio_set_value(gpio, 0); + gpiod_set_value(gpiod, 0); mdelay(10); /* tRES >= 100us */ - gpio_set_value(gpio, 1); + gpiod_set_value(gpiod, 1); mdelay(20); } @@ -45,7 +45,6 @@ static void l4f00242t03_reset(unsigned int gpio) static void l4f00242t03_lcd_init(struct spi_device *spi) { - struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev); struct l4f00242t03_priv *priv = spi_get_drvdata(spi); const u16 cmd[] = { 0x36, param(0), 0x3A, param(0x60) }; int ret; @@ -76,21 +75,20 @@ static void l4f00242t03_lcd_init(struct spi_device *spi) return; } - l4f00242t03_reset(pdata->reset_gpio); + l4f00242t03_reset(priv->reset); - gpio_set_value(pdata->data_enable_gpio, 1); + gpiod_set_value(priv->enable, 1); msleep(60); spi_write(spi, (const u8 *)cmd, ARRAY_SIZE(cmd) * sizeof(u16)); } static void l4f00242t03_lcd_powerdown(struct spi_device *spi) { - struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev); struct l4f00242t03_priv *priv = spi_get_drvdata(spi); dev_dbg(&spi->dev, "Powering down LCD\n"); - gpio_set_value(pdata->data_enable_gpio, 0); + gpiod_set_value(priv->enable, 0); regulator_disable(priv->io_reg); regulator_disable(priv->core_reg); @@ -168,13 +166,6 @@ static struct lcd_ops l4f_ops = { static int l4f00242t03_probe(struct spi_device *spi) { struct l4f00242t03_priv *priv; - struct l4f00242t03_pdata *pdata = dev_get_platdata(&spi->dev); - int ret; - - if (pdata == NULL) { - dev_err(&spi->dev, "Uninitialized platform data.\n"); - return -EINVAL; - } priv = devm_kzalloc(&spi->dev, sizeof(struct l4f00242t03_priv), GFP_KERNEL); @@ -187,21 +178,21 @@ static int l4f00242t03_probe(struct spi_device *spi) priv->spi = spi; - ret = devm_gpio_request_one(&spi->dev, pdata->reset_gpio, - GPIOF_OUT_INIT_HIGH, "lcd l4f00242t03 reset"); - if (ret) { + priv->reset = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(priv->reset)) { dev_err(&spi->dev, "Unable to get the lcd l4f00242t03 reset gpio.\n"); - return ret; + return PTR_ERR(priv->reset); } + gpiod_set_consumer_name(priv->reset, "lcd l4f00242t03 reset"); - ret = devm_gpio_request_one(&spi->dev, pdata->data_enable_gpio, - GPIOF_OUT_INIT_LOW, "lcd l4f00242t03 data enable"); - if (ret) { + priv->enable = devm_gpiod_get(&spi->dev, "enable", GPIOD_OUT_LOW); + if (IS_ERR(priv->enable)) { dev_err(&spi->dev, "Unable to get the lcd l4f00242t03 data en gpio.\n"); - return ret; + return PTR_ERR(priv->enable); } + gpiod_set_consumer_name(priv->enable, "lcd l4f00242t03 data enable"); priv->io_reg = devm_regulator_get(&spi->dev, "vdd"); if (IS_ERR(priv->io_reg)) { |