linux-kernel - [PATCH] HID: logitech-hidpp: select CONFIG_POWER

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Date:	Mon, 11 Jul 2016 23:49:20 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Jiri Kosina <jikos@...nel.org>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Yusuke Fujimaki <usk.fujimaki@...il.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] HID: logitech-hidpp: select CONFIG_POWER_SUPPLY

A recent commit added barry support to this driver, but that causes
a link failure when CONFIG_POWER_SUPPLY is not set:

drivers/hid/built-in.o: In function `hidpp_battery_get_property':
:(.text+0x1a834): undefined reference to `power_supply_get_drvdata'
drivers/hid/built-in.o: In function `hidpp_raw_event':
:(.text+0x1b10c): undefined reference to `power_supply_changed'
drivers/hid/built-in.o: In function `hidpp_connect_event':
:(.text+0x1bd88): undefined reference to `devm_power_supply_register'
:(.text+0x1be30): undefined reference to `power_supply_powers'

This adds a dependency, identically to the other HID drivers that need this.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Fixes: 5a2b190cddb9 ("HID: logitech-hidpp: add battery support for HID++ 2.0 devices")
---
 drivers/hid/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 78ac4811bd3c..4c6b59c9fa15 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -440,6 +440,7 @@ config HID_LOGITECH_DJ
 config HID_LOGITECH_HIDPP
 	tristate "Logitech HID++ devices support"
 	depends on HID_LOGITECH
+	select POWER_SUPPLY
 	---help---
 	Support for Logitech devices relyingon the HID++ Logitech specification
 
-- 
2.9.0