On Jul 11 2016 or thereabouts, Arnd Bergmann wrote:
> 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@xxxxxxxx>
> Fixes: 5a2b190cddb9 ("HID: logitech-hidpp: add battery support for HID++ 2.0 devices")
Thanks for the fix.
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
Cheers,
Benjamin
> ---
> 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
>
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