linux-kernel - Re: [PATCH] extcon: Add EXTCON_DISP_CVBS and EXTCON_DISP

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Date:   Sat, 9 Jul 2022 10:03:52 +0900
From:   Chanwoo Choi <cwchoi00@...il.com>
To:     Michael Wu <michael@...winnertech.com>, myungjoo.ham@...sung.com,
        cw00.choi@...sung.com
Cc:     linux-kernel@...r.kernel.org,
        allwinner-opensource-support@...winnertech.com
Subject: Re: [PATCH] extcon: Add EXTCON_DISP_CVBS and EXTCON_DISP_EDP

On 22. 7. 8. 18:57, Michael Wu wrote:
> Add EXTCON_DISP_CVBS for Composite Video Broadcast Signal.
> Add EXTCON_DISP_EDP for Embedded Display Port
> 
> [1] https://en.wikipedia.org/wiki/Composite_video
> [2] https://en.wikipedia.org/wiki/DisplayPort#eDP
> 
> Signed-off-by: Michael Wu <michael@...winnertech.com>
> ---
>  drivers/extcon/extcon.c | 10 ++++++++++
>  include/linux/extcon.h  |  2 ++
>  2 files changed, 12 insertions(+)
> 
> diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
> index d3a32b8064994..774607a616f7b 100644
> --- a/drivers/extcon/extcon.c
> +++ b/drivers/extcon/extcon.c
> @@ -167,6 +167,16 @@ static const struct __extcon_info {
>  		.id = EXTCON_DISP_HMD,
>  		.name = "HMD",
>  	},
> +	[EXTCON_DISP_CVBS] = {
> +		.type = EXTCON_TYPE_DISP,
> +		.id = EXTCON_DISP_CVBS,
> +		.name = "CVBS",
> +	},
> +	[EXTCON_DISP_EDP] = {
> +		.type = EXTCON_TYPE_DISP,
> +		.id = EXTCON_DISP_EDP,
> +		.name = "EDP",
> +	},
>  
>  	/* Miscellaneous external connector */
>  	[EXTCON_DOCK] = {
> diff --git a/include/linux/extcon.h b/include/linux/extcon.h
> index 685401d94d398..3c45c3846fe94 100644
> --- a/include/linux/extcon.h
> +++ b/include/linux/extcon.h
> @@ -76,6 +76,8 @@
>  #define EXTCON_DISP_VGA		43	/* Video Graphics Array */
>  #define EXTCON_DISP_DP		44	/* Display Port */
>  #define EXTCON_DISP_HMD		45	/* Head-Mounted Display */
> +#define EXTCON_DISP_CVBS	46	/* Composite Video Broadcast Signal */
> +#define EXTCON_DISP_EDP		47	/* Embedded Display Port */
>  
>  /* Miscellaneous external connector */
>  #define EXTCON_DOCK		60

Applied it. Thanks.

Do you have a plan to send extcon driver with newly added connector type?

-- 
Best Regards,
Samsung Electronics
Chanwoo Choi