linux-kernel - Re: [PATCH] HID: wacom: Add LED selector control for Wacom Intuos4 WL

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Date:	Mon, 21 May 2012 15:28:50 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Przemo Firszt <przemo@...szt.eu>, pinglinux@...il.com,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	linuxwacom-devel@...ts.sourceforge.net
Subject: Re: [PATCH] HID: wacom: Add LED selector control for Wacom Intuos4
 WL

On Sat, 19 May 2012, David Rientjes wrote:

> On Fri, 11 May 2012, Jiri Kosina wrote:
> 
> > > Add sysfs attribute to control LED selector on Wacom Intuos4. 
> > 
> > Applied, thanks.
> > 
> 
> This results in a build failure if you've enabled CONFIG_HID_WACOM without 
> CONFIG_NEW_LEDS, which is required for CONFIG_LEDS_CLASS.
> 
> drivers/built-in.o: In function `led_classdev_unregister':
> (.text+0x3ff685): undefined reference to `led_brightness_set'
> drivers/built-in.o: In function `led_classdev_unregister':
> (.text+0x3ff695): undefined reference to `leds_list_lock'
> drivers/built-in.o: In function `led_classdev_unregister':
> (.text+0x3ff6ab): undefined reference to `leds_list_lock'
> drivers/built-in.o: In function `led_classdev_register':
> (.text+0x3ff6e9): undefined reference to `leds_list_lock'
> drivers/built-in.o: In function `led_classdev_register':
> (.text+0x3ff6f5): undefined reference to `leds_list'
> drivers/built-in.o: In function `led_classdev_register':
> (.text+0x3ff700): undefined reference to `leds_list'
> drivers/built-in.o: In function `led_classdev_register':
> (.text+0x3ff70c): undefined reference to `leds_list_lock'
> 
> Please apply the patch below.
> 
> 
> hid, wacom: fix build breakage without CONFIG_LEDS_CLASS
> 
> CONFIG_HID_WACOM must depend on CONFIG_LEDS_CLASS, otherwise 
> CONFIG_NEW_LEDS may be disabled.
> 
> Signed-off-by: David Rientjes <rientjes@...gle.com>
> ---
>  drivers/hid/Kconfig |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
> --- a/drivers/hid/Kconfig
> +++ b/drivers/hid/Kconfig
> @@ -613,8 +613,8 @@ config THRUSTMASTER_FF
>  config HID_WACOM
>  	tristate "Wacom Bluetooth devices support"
>  	depends on BT_HIDP
> +	depends on LEDS_CLASS
>  	select POWER_SUPPLY
> -	select LEDS_CLASS
>  	---help---
>  	Support for Wacom Graphire Bluetooth and Intuos4 WL tablets.

Right, thanks for your report. Now queued.

-- 
Jiri Kosina
SUSE Labs
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