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usb: gadget: add hnp_polling_support and host_request_flag in usb_gadget

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Add 2 flags for USB OTG HNP polling, hnp_polling_support is to indicate
if the gadget can support HNP polling, host_request_flag is used for
gadget to store host request information from application, which can be
used to respond to HNP polling from host.

Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This commit is contained in:
Li Jun
2016-02-19 10:04:40 +08:00
committed by Felipe Balbi
parent 175f712119
commit 75a9c82ab9
1 changed files with 6 additions and 0 deletions
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6
include/linux/usb/gadget.h
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@@ -595,6 +595,10 @@ struct usb_gadget_ops {
* only supports HNP on a different root port. * only supports HNP on a different root port.
* @b_hnp_enable: OTG device feature flag, indicating that the A-Host * @b_hnp_enable: OTG device feature flag, indicating that the A-Host
* enabled HNP support. * enabled HNP support.
* @hnp_polling_support: OTG device feature flag, indicating if the OTG device
* in peripheral mode can support HNP polling.
* @host_request_flag: OTG device feature flag, indicating if A-Peripheral
* or B-Peripheral wants to take host role.
* @quirk_ep_out_aligned_size: epout requires buffer size to be aligned to * @quirk_ep_out_aligned_size: epout requires buffer size to be aligned to
* MaxPacketSize. * MaxPacketSize.
* @is_selfpowered: if the gadget is self-powered. * @is_selfpowered: if the gadget is self-powered.
@@ -642,6 +646,8 @@ struct usb_gadget {
unsigned b_hnp_enable:1; unsigned b_hnp_enable:1;
unsigned a_hnp_support:1; unsigned a_hnp_support:1;
unsigned a_alt_hnp_support:1; unsigned a_alt_hnp_support:1;
unsigned hnp_polling_support:1;
unsigned host_request_flag:1;
unsigned quirk_ep_out_aligned_size:1; unsigned quirk_ep_out_aligned_size:1;
unsigned quirk_altset_not_supp:1; unsigned quirk_altset_not_supp:1;
unsigned quirk_stall_not_supp:1; unsigned quirk_stall_not_supp:1;