linux-kernel - Re: [PATCH 2/2] backlight: ktd2801: Depend on GPIOLIB

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <2d6cb0c8-6fe1-43d9-b744-0a0a95cf30d3@infradead.org>
Date: Tue, 29 Jul 2025 16:32:44 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: Duje Mihanović <duje@...emihanovic.xyz>,
 Lee Jones <lee@...nel.org>, Pavel Machek <pavel@...nel.org>,
 Daniel Thompson <danielt@...nel.org>, Jingoo Han <jingoohan1@...il.com>,
 Helge Deller <deller@....de>
Cc: linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org
Subject: Re: [PATCH 2/2] backlight: ktd2801: Depend on GPIOLIB



On 7/29/25 10:18 AM, Duje Mihanović wrote:
> The LEDS_EXPRESSWIRE library used by the driver requires GPIOLIB. Make
> sure this dependency is not left unsatisfied.
> 
> Reported-by: Randy Dunlap <rdunlap@...radead.org>
> Link: https://lore.kernel.org/all/b6c481bb-e854-405e-a428-90301789fe20@infradead.org/

s/Link/Closes/

> Signed-off-by: Duje Mihanović <duje@...emihanovic.xyz>

Reviewed-by: Randy Dunlap <rdunlap@...radead.org>
Tested-by: Randy Dunlap <rdunlap@...radead.org>

Thanks.

> ---
>  drivers/video/backlight/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
> index d9374d208ceebbf8b3c27976e9cb4d725939b942..37341474beb9982f7099711e5e2506081061df46 100644
> --- a/drivers/video/backlight/Kconfig
> +++ b/drivers/video/backlight/Kconfig
> @@ -185,6 +185,7 @@ config BACKLIGHT_KTD253
>  
>  config BACKLIGHT_KTD2801
>  	tristate "Backlight Driver for Kinetic KTD2801"
> +	depends on GPIOLIB || COMPILE_TEST
>  	select LEDS_EXPRESSWIRE
>  	help
>  	  Say Y to enable the backlight driver for the Kinetic KTD2801 1-wire
> 

-- 
~Randy