iio:filter:admv8818: select REGMAP_SPI for ADMV8818

admv8818 driver needs __devm_regmap_init_spi() which is defined
when CONFIG_REGMAP_SPI is set and struct regmap_config when
CONFIG_REGMAP is set, so automatically select CONFIG_REGMAP_SPI
which also sets CONFIG_REGMAP.

Fixes: f34fe888ad05 ("iio:filter:admv8818: add support for ADMV8818")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220320055457.254983-1-bobo.shaobowang@huawei.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/filter/Kconfig b/drivers/iio/filter/Kconfig
index 3ae3581..a85b345 100644 (file)
--- a/drivers/iio/filter/Kconfig
+++ b/drivers/iio/filter/Kconfig
@@ -8,6 +8,7 @@ menu "Filters"
 config ADMV8818
        tristate "Analog Devices ADMV8818 High-Pass and Low-Pass Filter"
        depends on SPI && COMMON_CLK && 64BIT
+       select REGMAP_SPI
        help
          Say yes here to build support for Analog Devices ADMV8818
          2 GHz to 18 GHz, Digitally Tunable, High-Pass and Low-Pass Filter.