iio: dac: ltc1660: add missing select REGMAP_SPI in Kconfig

commit 252ff06a4cb4e572cb3c7fcfa697db96b08a7781 upstream.

This driver makes use of regmap_spi, but does not select the required
module.
Add the missing 'select REGMAP_SPI'.

Fixes: 8316cebd1e59 ("iio: dac: add support for ltc1660")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241003-ad2s1210-select-v1-7-4019453f8c33@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig
index 22c271f4eeb85e40f3ed007fd1fa0a5c8d9bde13..2d7407c44bbab4bb26df372ded114a03523d59f8 100644 (file)
--- a/drivers/iio/dac/Kconfig
+++ b/drivers/iio/dac/Kconfig
@@ -272,6 +272,7 @@ config LPC18XX_DAC
 config LTC1660
        tristate "Linear Technology LTC1660/LTC1665 DAC SPI driver"
        depends on SPI
+       select REGMAP_SPI
        help
          Say yes here to build support for Linear Technology
          LTC1660 and LTC1665 Digital to Analog Converters.