linux-kernel - Re: [PATCH input] input: add BUS

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Message-ID: <Z71hzP-LYpnx-hyH@google.com>
Date: Mon, 24 Feb 2025 22:23:08 -0800
From: Dmitry Torokhov <dmitry.torokhov@...il.com>
To: Yunli Liu <ylliu3788@....com>
Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH input] input: add BUS_I3C definition to input.h

Hi Yunli,

On Sat, Feb 15, 2025 at 10:20:35PM +0800, Yunli Liu wrote:
> Add BUS_I3C (0x21) bus type definition to the input subsystem header.
> This value is reserved for devices utilizing the I3C bus, which is
> increasingly adopted in modern embedded systems due to its enhanced
> capabilities over I2C/SPI.

I would like to see a user of this #define before adding it to the
kernel.

> 
> Signed-off-by: Yunli Liu <ylliu3788@....com>
> ---
>  include/uapi/linux/input.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h
> index 2557eb7b0561..c6fbcbad5b7c 100644
> --- a/include/uapi/linux/input.h
> +++ b/include/uapi/linux/input.h
> @@ -275,6 +275,7 @@ struct input_mask {
>  #define BUS_CEC			0x1E
>  #define BUS_INTEL_ISHTP		0x1F
>  #define BUS_AMD_SFH		0x20
> +#define BUS_I3C			0x21
>  
>  /*
>   * MT_TOOL types
> -- 
> 2.34.1
> 

Thanks.

-- 
Dmitry