[PATCH 6/7] Input: add `SW_BOOT_ALT`

[Kever Yang]

Hi Quentin,


On 2022/9/22 20:12, Quentin Schulz wrote:
> From: Quentin Schulz <quentin.schulz at theobroma-systems.com>
>
> This event code represents the firmware source to use at boot.
> Value 0 means using "standard" firmware source, value 1 means using
> "alternative" firmware source.
>
> For example, some hardware has the ability to force the BOOTROM to load
> the bootloader from a secondary firmware source (say SD card) instead of
> trying with the standard first and then the secondary. This event allows
> the userspace to know which firmware source was requested *in hardware*.

Does this series patches need this patch?

I don't understand how can you affect the BOOTROM on PX30, I think PX30 
does not

support this feature.


Thanks,

- Kever

>
> Signed-off-by: Quentin Schulz <quentin.schulz at theobroma-systems.com>
> Link: https://lore.kernel.org/lkml/20220922101211.3215888-2-foss+kernel@0leil.net/
> Cc: Quentin Schulz <foss+uboot at 0leil.net>
> Signed-off-by: Quentin Schulz <quentin.schulz at theobroma-systems.com>
> ---
>   include/dt-bindings/input/linux-event-codes.h | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/include/dt-bindings/input/linux-event-codes.h b/include/dt-bindings/input/linux-event-codes.h
> index dff8e7f170..8cd2b58c81 100644
> --- a/include/dt-bindings/input/linux-event-codes.h
> +++ b/include/dt-bindings/input/linux-event-codes.h
> @@ -917,7 +917,8 @@
>   #define SW_MUTE_DEVICE		0x0e  /* set = device disabled */
>   #define SW_PEN_INSERTED		0x0f  /* set = pen inserted */
>   #define SW_MACHINE_COVER	0x10  /* set = cover closed */
> -#define SW_MAX			0x10
> +#define SW_BOOT_ALT		0x11  /* set = alternative boot firmware source */
> +#define SW_MAX			0x11
>   #define SW_CNT			(SW_MAX+1)
>   
>   /*