From d920e3d54d3ee4a6806ec74d3c7d0dcf135d7772 Mon Sep 17 00:00:00 2001
From: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Date: Thu, 3 Oct 2024 18:49:39 +0200
Subject: [PATCH] iio: dac: ltc1660: add missing select REGMAP_SPI in Kconfig

BugLink: https://bugs.launchpad.net/bugs/2097393

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>
Signed-off-by: Manuel Diewald <manuel.diewald@canonical.com>
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
---
 drivers/iio/dac/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig
index bcfa1444ecb8..ea66cbf15da5 100644
--- a/drivers/iio/dac/Kconfig
+++ b/drivers/iio/dac/Kconfig
@@ -316,6 +316,7 @@ 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.