If CONFIG_REGMAP_I2C is not set, building fails: drivers/media/i2c/max2175.o: In function `max2175_probe': max2175.c:(.text+0x1404): undefined reference to `__devm_regmap_init_i2c' Select REGMAP_I2C to fix this. Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Fixes: b47b79d8a231 ("[media] media: i2c: max2175: Add MAX2175 support") Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> --- drivers/media/i2c/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index 7eee181..fcffcc3 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -1113,6 +1113,7 @@ comment "SDR tuner chips" config SDR_MAX2175 tristate "Maxim 2175 RF to Bits tuner" depends on VIDEO_V4L2 && MEDIA_SDR_SUPPORT && I2C + select REGMAP_I2C help Support for Maxim 2175 tuner. It is an advanced analog/digital radio receiver with RF-to-Bits front-end designed for SDR solutions. -- 2.7.4