RE: [RFC PATCH v3 1/2] usb: typec: USB Type-C Port Manager (tcpm)

[Jun Li]

Hi Guenter,
> -----Original Message-----
> From: linux-usb-owner@xxxxxxxxxxxxxxx [mailto:linux-usb-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Guenter Roeck
> Sent: Wednesday, August 24, 2016 5:11 AM
> To: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
> Cc: Chandra Sekhar Anagani <chandra.sekhar.anagani@xxxxxxxxx>; Bruce
> Ashfield <bruce.ashfield@xxxxxxxxxxxxx>; Bin Gao <bin.gao@xxxxxxxxx>;
> Pranav Tipnis <pranav.tipnis@xxxxxxxxx>; Heikki Krogerus
> <heikki.krogerus@xxxxxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx; linux-
> usb@xxxxxxxxxxxxxxx; Guenter Roeck <groeck@xxxxxxxxxxxx>
> Subject: [RFC PATCH v3 1/2] usb: typec: USB Type-C Port Manager (tcpm)
> 
...
> diff --git a/include/linux/usb/pd.h b/include/linux/usb/pd.h
> new file mode 100644
> index 000000000000..6b1679af7a25
> --- /dev/null
> +++ b/include/linux/usb/pd.h

...

> +#define PDO_VAR(min_mv, max_mv, max_ma)					\
> +	((PDO_TYPE_VAR << PDO_TYPE_SHIFT) |				\
> +	 ((((min_mv) / 50) & PDO_VAR_MIN_VOLT_MASK) <<			\
> +	  PDO_VAR_MIN_VOLT_SHIFT) |					\
> +	 ((((max_mv) / 50) & PDO_VAR_MAX_VOLT_MASK) <<			\
> +	  PDO_VAR_MAX_VOLT_SHIFT) |					\
> +	 ((((max_ma) / 50) & PDO_VAR_MAX_CURR_MASK) <<			\

((((max_ma) / 10) & PDO_VAR_MAX_CURR_MASK) <<                  \

Li Jun