Re: [PATCH v2 3/5] usb: pd: Add helper macro to get Type C cable speed

From: Heikki Krogerus
Date: Mon Sep 04 2023 - 03:08:45 EST


On Wed, Aug 30, 2023 at 03:39:48PM -0700, Utkarsh Patel wrote:
> Added a helper macro to get the Type C cable speed when provided the
> cable VDO.
>
> Signed-off-by: Utkarsh Patel <utkarsh.h.patel@xxxxxxxxx>

Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>

> ---
> Changes in v2:
> - This change is being added as new patch in this series.
>
> include/linux/usb/pd_vdo.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/linux/usb/pd_vdo.h b/include/linux/usb/pd_vdo.h
> index b057250704e8..3a747938cdab 100644
> --- a/include/linux/usb/pd_vdo.h
> +++ b/include/linux/usb/pd_vdo.h
> @@ -376,6 +376,7 @@
> | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5 \
> | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
>
> +#define VDO_TYPEC_CABLE_SPEED(vdo) ((vdo) & 0x7)
> #define VDO_TYPEC_CABLE_TYPE(vdo) (((vdo) >> 18) & 0x3)
>
> /*
> --
> 2.25.1

--
heikki