usb: gadget: f_tcm: Provide support to get alternate setting in tcm function (0b8b1a1f) · Commits · 戴 / test

drivers/usb/gadget/function/f_tcm.c

+12 −1

Original line number	Diff line number	Diff line
		@@ -846,7 +846,7 @@ static void uasp_set_alt(struct f_uas *fu)

		fu->flags = USBG_IS_UAS;

		if (gadget->speed == USB_SPEED_SUPER)
		if (gadget->speed >= USB_SPEED_SUPER)
		fu->flags \|= USBG_USE_STREAMS;

		config_ep_by_speed(gadget, f, fu->ep_in);
		@@ -2093,6 +2093,16 @@ static void tcm_delayed_set_alt(struct work_struct *wq)
		usb_composite_setup_continue(fu->function.config->cdev);
		}

		static int tcm_get_alt(struct usb_function *f, unsigned intf)
		{
		if (intf == bot_intf_desc.bInterfaceNumber)
		return USB_G_ALT_INT_BBB;
		if (intf == uasp_intf_desc.bInterfaceNumber)
		return USB_G_ALT_INT_UAS;

		return -EOPNOTSUPP;
		}

		static int tcm_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
		{
		struct f_uas *fu = to_f_uas(f);
		@@ -2300,6 +2310,7 @@ static struct usb_function tcm_alloc(struct usb_function_instance fi)
		fu->function.bind = tcm_bind;
		fu->function.unbind = tcm_unbind;
		fu->function.set_alt = tcm_set_alt;
		fu->function.get_alt = tcm_get_alt;
		fu->function.setup = tcm_setup;
		fu->function.disable = tcm_disable;
		fu->function.free_func = tcm_free;