On Mon, 8 Jun 2015 23:01:58 +0800
Li Jun <jun.li@xxxxxxxxxxxxx> wrote:
> From: Macpaul Lin <macpaul@xxxxxxxxx>
>
> Add ADP, HNP and SRP feature options and otg version to gadget structure.
>
> Signed-off-by: Macpaul Lin <macpaul@xxxxxxxxx>
> Signed-off-by: Li Jun <jun.li@xxxxxxxxxxxxx>
> ---
> include/linux/usb/gadget.h | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
> index 4f3dfb7..2f4f39c 100644
> --- a/include/linux/usb/gadget.h
> +++ b/include/linux/usb/gadget.h
> @@ -514,6 +514,12 @@ struct usb_gadget_ops {
> * @sg_supported: true if we can handle scatter-gather
> * @is_otg: True if the USB device port uses a Mini-AB jack, so that the
> * gadget driver must provide a USB OTG descriptor.
> + * @adp_support: OTG device feature flag, indicating that the device
> + supports ADP at this port.
> + * @hnp_support: OTG device feature flag, indicating that the device
> + supports HNP at this port.
> + * @srp_support: OTG device feature flag, indicating that the device
> + supports SRP at this port.
> * @is_a_peripheral: False unless is_otg, the "A" end of a USB cable
> * is in the Mini-AB jack, and HNP has been used to switch roles
> * so that the "A" device currently acts as A-Peripheral, not A-Host.
> @@ -526,6 +532,7 @@ struct usb_gadget_ops {
> * @quirk_ep_out_aligned_size: epout requires buffer size to be aligned to
> * MaxPacketSize.
> * @is_selfpowered: if the gadget is self-powered.
> + * @otg_rev: The OTG reversion number the device is compliant to.
> *
> * Gadgets have a mostly-portable "gadget driver" implementing device
> * functions, handling all usb configurations and interfaces. Gadget
> @@ -562,12 +569,16 @@ struct usb_gadget {
>
> unsigned sg_supported:1;
> unsigned is_otg:1;
> + unsigned adp_support:1;
> + unsigned hnp_support:1;
> + unsigned srp_support:1;
> unsigned is_a_peripheral:1;
> unsigned b_hnp_enable:1;
> unsigned a_hnp_support:1;
> unsigned a_alt_hnp_support:1;
> unsigned quirk_ep_out_aligned_size:1;
> unsigned is_selfpowered:1;
> + unsigned otg_rev;
this could be a dedicated type rather than unsigned.
> };
> #define work_to_gadget(w) (container_of((w), struct usb_gadget, work))
>
cheers,
-roger
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