Commit c63460c4 authored by Shreeya Patel's avatar Shreeya Patel Committed by Jonathan Cameron
Browse files

Staging: iio: adt7316: Use device tree data to set ldac_pin 



Make the driver use device tree instead of the platform data.
Hence, use devm_gpiod_get_optional function to get the data from
device tree for ldac-pin and accordingly make the needed changes
in the driver.

Signed-off-by: default avatarShreeya Patel <shreeya.patel23498@gmail.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent f8f61253

drivers/staging/iio/addac/adt7316.c

+10 −4
Original line number Diff line number Diff line
@@ -177,7 +177,7 @@ 


struct adt7316_chip_info {

	struct adt7316_bus	bus;

	u16			ldac_pin;

	struct gpio_desc	*ldac_pin;

	u16			int_mask;	/* 0x2f */

	u8			config1;

	u8			config2;
@@ -950,8 +950,8 @@ static ssize_t adt7316_store_update_DAC(struct device *dev, 
		if (ret)

			return -EIO;

	} else {

		gpio_set_value(chip->ldac_pin, 0);

		gpio_set_value(chip->ldac_pin, 1);

		gpiod_set_value(chip->ldac_pin, 0);

		gpiod_set_value(chip->ldac_pin, 1);

	}



	return len;
@@ -2122,7 +2122,13 @@ int adt7316_probe(struct device *dev, struct adt7316_bus *bus, 
	else

		return -ENODEV;



	chip->ldac_pin = adt7316_platform_data[1];

	chip->ldac_pin = devm_gpiod_get_optional(dev, "adi,ldac", GPIOD_OUT_LOW);

	if (IS_ERR(chip->ldac_pin)) {

		ret = PTR_ERR(chip->ldac_pin);

		dev_err(dev, "Failed to request ldac GPIO: %d\n", ret);

		return ret;

	}



	if (chip->ldac_pin) {

		chip->config3 |= ADT7316_DA_EN_VIA_DAC_LDCA;

		if ((chip->id & ID_FAMILY_MASK) == ID_ADT75XX)

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