[PATCH] regulator: ltc3589: Fix module dependency

[Axel Lin]

Make this driver depend on I2C and select REGMAP_I2C to fix build failure.
Also allows this driver to be built as module.

Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
 drivers/regulator/Kconfig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 8f5c880..c2fa0b4 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -273,7 +273,9 @@ config REGULATOR_LP8788
 	  This driver supports LP8788 voltage regulator chip.
 
 config REGULATOR_LTC3589
-	bool "LTC3589 8-output voltage regulator"
+	tristate "LTC3589 8-output voltage regulator"
+	depends on I2C
+	select REGMAP_I2C
 	help
 	  This enables support for the LTC3589, LTC3589-1, and LTC3589-2
 	  8-output regulators controlled via I2C.
-- 
1.8.3.2



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