[PATCH] iio: adc: ad4130: depend on GPIOLIB

[Cosmin Tanislav]

Fixes undefined references to 'gpiochip_get_data' and
'devm_gpiochip_add_data_with_key'.

Signed-off-by: Cosmin Tanislav <cosmin.tanislav@xxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Fixes: 5bdef39c5c6e ("iio: adc: ad4130: add AD4130 driver")
---
 drivers/iio/adc/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 8d719fbb6acc..63f80d747cbd 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -24,6 +24,7 @@ config AD_SIGMA_DELTA
 config AD4130
 	tristate "Analog Device AD4130 ADC Driver"
 	depends on SPI
+	depends on GPIOLIB
 	select IIO_BUFFER
 	select IIO_KFIFO_BUF
 	select REGMAP_SPI
-- 
2.38.1