linux-kernel - [PATCH] power: supply: mt6370: uses IIO interfaces, depends on IIO

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Date:   Wed, 28 Sep 2022 23:29:40 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        ChiaEn Wu <chiaen_wu@...htek.com>,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        linux-pm@...r.kernel.org
Subject: [PATCH] power: supply: mt6370: uses IIO interfaces, depends on IIO

The mt6370-charger driver uses IIO interfaces and produces build
errors when CONFIG_IIO is not set, so it should depend on IIO.

ERROR: modpost: "iio_read_channel_processed" [drivers/power/supply/mt6370-charger.ko] undefined!
ERROR: modpost: "devm_iio_channel_get_all" [drivers/power/supply/mt6370-charger.ko] undefined!

Fixes: 233cb8a47d65 ("power: supply: mt6370: Add MediaTek MT6370 charger driver")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: ChiaEn Wu <chiaen_wu@...htek.com>
Cc: Sebastian Reichel <sebastian.reichel@...labora.com>
Cc: linux-pm@...r.kernel.org
---
 drivers/power/supply/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/power/supply/Kconfig
+++ b/drivers/power/supply/Kconfig
@@ -623,6 +623,7 @@ config CHARGER_MT6370
 	tristate "MediaTek MT6370 Charger Driver"
 	depends on MFD_MT6370
 	depends on REGULATOR
+	depends on IIO
 	select LINEAR_RANGES
 	help
 	  Say Y here to enable MT6370 Charger Part.