filter_gpio        64 drivers/iio/adc/ad7780.c 	struct gpio_desc		*filter_gpio;
filter_gpio       175 drivers/iio/adc/ad7780.c 		gpiod_set_value(st->filter_gpio, val);
filter_gpio       271 drivers/iio/adc/ad7780.c 	st->filter_gpio = devm_gpiod_get_optional(dev,
filter_gpio       274 drivers/iio/adc/ad7780.c 	if (IS_ERR(st->filter_gpio)) {
filter_gpio       275 drivers/iio/adc/ad7780.c 		ret = PTR_ERR(st->filter_gpio);