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Commit 548380aa authored by Sriharsha Allenki's avatar Sriharsha Allenki
Browse files

usb: gadget: uvc: Add support for UVC 1.5 



Add UVC 1.5 specification support for the existing
peripheral UVC function driver.
Also add support for H264 format streaming.

Change-Id: I3efe7db77793990ce76af7dcc566f91daeb05436
Signed-off-by: default avatarSriharsha Allenki <sallenki@codeaurora.org>
parent 66cc298f

drivers/usb/gadget/function/f_uvc.c

+7 −5
Original line number Diff line number Diff line
@@ -84,7 +84,7 @@ static struct usb_interface_descriptor uvc_control_intf = { 
	.bNumEndpoints		= 1,

	.bInterfaceClass	= USB_CLASS_VIDEO,

	.bInterfaceSubClass	= UVC_SC_VIDEOCONTROL,

	.bInterfaceProtocol	= 0x00,

	.bInterfaceProtocol	= 0x01,

	.iInterface		= 0,

};
@@ -788,16 +788,18 @@ static struct usb_function_instance *uvc_alloc_inst(void) 
	cd->bmControls[2]		= 0;



	pd = &opts->uvc_processing;

	pd->bLength			= UVC_DT_PROCESSING_UNIT_SIZE(2);

	pd->bLength			= UVC_DT_PROCESSING_UNIT_SIZE(3);

	pd->bDescriptorType		= USB_DT_CS_INTERFACE;

	pd->bDescriptorSubType		= UVC_VC_PROCESSING_UNIT;

	pd->bUnitID			= 2;

	pd->bSourceID			= 1;

	pd->wMaxMultiplier		= cpu_to_le16(16*1024);

	pd->bControlSize		= 2;

	pd->bmControls[0]		= 1;

	pd->bmControls[1]		= 0;

	pd->bControlSize		= 3;

	pd->bmControls[0]		= 64;

	pd->bmControls[1]		= 16;

	pd->bmControls[2]		= 1;

	pd->iProcessing			= 0;

	pd->bmVideoStandards		= 0;



	od = &opts->uvc_output_terminal;

	od->bLength			= UVC_DT_OUTPUT_TERMINAL_SIZE;

drivers/usb/gadget/function/uvc_configfs.c

+450 −68

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include/uapi/linux/usb/video.h

+96 −2

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