On Wed, 17 Jun 2015 13:43:35 +0800
Li Jun <jun.li@xxxxxxxxxxxxx> wrote:
> This patch adds a structure usb_otg_caps to cover all otg related
> capabilities of the device, including otg revision, and if hnp/srp/adp
> is supported.
>
> Signed-off-by: Li Jun <jun.li@xxxxxxxxxxxxx>
Reviewed-by: Roger Quadros <rogerq@xxxxxx>
cheers,
-roger
> ---
> include/linux/usb/otg.h | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
> index 52661c5..bd1dcf8 100644
> --- a/include/linux/usb/otg.h
> +++ b/include/linux/usb/otg.h
> @@ -41,6 +41,21 @@ struct usb_otg {
>
> };
>
> +/**
> + * struct usb_otg_caps - describes the otg capabilities of the device
> + * @otg_rev: The OTG revision number the device is compliant with, it's
> + * in binary-coded decimal (i.e. 2.0 is 0200H).
> + * @hnp_support: Indicates if the device supports HNP.
> + * @srp_support: Indicates if the device supports SRP.
> + * @adp_support: Indicates if the device supports ADP.
> + */
> +struct usb_otg_caps {
> + u16 otg_rev;
> + bool hnp_support;
> + bool srp_support;
> + bool adp_support;
> +};
> +
> extern const char *usb_otg_state_string(enum usb_otg_state state);
>
> /* Context: can sleep */
--
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