linux-kernel - [PATCH] iio: adc: rockchip_saradc: select IIO_TRIGGERED

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Date:   Mon,  3 Aug 2020 10:30:01 +0200
From:   Michael Walle <michael@...le.cc>
To:     linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Heiko Stuebner <heiko.stuebner@...obroma-systems.com>,
        Simon Xue <xxm@...k-chips.com>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH] iio: adc: rockchip_saradc: select IIO_TRIGGERED_BUFFER

The kernel fails to compile due to undefined reference to
devm_iio_triggered_buffer_setup() if IIO_TRIGGERED_BUFFER is not
enabled. The original patch [1] had this dependency. But somehow it
didn't make it into the kernel tree. Re-add it.

[1] https://lore.kernel.org/lkml/20200623233011.2319035-3-heiko@sntech.de/

Fixes: 4e130dc7b413 ("iio: adc: rockchip_saradc: Add support iio buffers")
Signed-off-by: Michael Walle <michael@...le.cc>
---
 drivers/iio/adc/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 66d9cc073157..d94dc800b842 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -865,6 +865,8 @@ config ROCKCHIP_SARADC
 	tristate "Rockchip SARADC driver"
 	depends on ARCH_ROCKCHIP || (ARM && COMPILE_TEST)
 	depends on RESET_CONTROLLER
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  Say yes here to build support for the SARADC found in SoCs from
 	  Rockchip.
-- 
2.20.1